L’any de l’IVA: declaracions trimestrals i el resum anual¶
Aquesta pàgina tracta un any complet d’IVA per al mateix contribuent d’exemple que l’any de l’impost sobre la renda: el saldo de crèdit inicial, quatre declaracions trimestrals del Model 303 amb el crèdit d’IVA que es trasllada entre elles, una branca opcional del Model 349 per a operacions intracomunitàries, i el resum anual del Model 390 que ha de reconciliar amb els quatre trimestres.
Cadrumo (l’ordre aeat) prepara fitxers locals per als formularis tributaris espanyols. No els presenta davant de l’Agència Estatal d’Administració Tributària (AEAT). Actualment l’exportació del Model 303 es nega sense una autoritat revisada d’identitat de producte/programari, de manera que introdueixes els valors calculats de les caselles a través del portal.
La persona i el ledger continuen des del recorregut de l’impost sobre la renda: l’Ana García López, consultora, activitat iniciada l’1 de gener de 2026. Les mateixes files de venda i despesa que hi vau registrar porten el seu detall d’IVA (base imposable, tipus, import d’IVA), de manera que alimenten els càlculs d’IVA sense tornar-les a introduir: un ledger, dos angles fiscals. Si no has executat les ordres profile create i ledger add de l’etapa 1 i l’etapa 2 d’aquell recorregut, executa-les primer.
La CLI imprimeix l’ajuda, les etiquetes i els missatges en castellà. Aquesta pàgina manté les explicacions en català.
Requisits previs¶
Una ordre aeat que funcioni, una contrasenya de clau mestra (l’eina te la demana) i el perfil i les files del ledger del primer trimestre de l’any de l’impost sobre la renda, etapes 1 i 2. Si encara no tens cap perfil, crea’n un amb aeat config profile create <name>. Configura el teu perfil de contribuent te hi guia.
Confirma les obligacions d’IVA:
1Explain why and how often Modelo 303 applies this year.
aeat --format json app overview explain 303 --year 2026aeat --format json app overview explain 303 --year 2026{ "active_profile": "docs-sequence-sandbox", "command": "overview.explain", "notices": [], "result": { "applicable": false, "generated_at": "2026-04-01T09:00:00Z", "legal_refs": [ "ley-35-2006:art-99", "ley-27-2014:art-124" ], "modelo": "303", "out_of_plazo_warning": null, "profile_facts": { "art109_activity_income_withholding_ge_70pct": false, "bienes_extranjero_above_threshold": false, "does_intracomunitario": false, "entity_type": "natural_person", "has_employees": false, "irpf_estimation_regime": "", "irpf_income_categories": "", "iva.group_dominant_entity_enrolled": false, "iva.group_member_enrolled": false, "iva.intracommunity_operations_exceed_50000_eur": false, "iva.oss_enrolled": false, "iva.roi_enrolled": false, "iva_regime": "GENERAL", "legal_entity_form": "", "monedas_virtuales_extranjero_above_threshold": false, "pays_capital_income_with_retencion": false, "pays_professionals_with_retencion": false, "pays_rent_with_retencion": false, "tax_id": "sha256:1c9f9632", "third_party_transactions_above_347_threshold": false }, "rationale": "No se puede determinar la aplicabilidad: el tipo de contribuyente no está declarado. Faltan el tipo de entidad y, en su caso, las categorías de renta del IRPF.", "scheduling_rationale": "Aplica segun la ventana registral del modelo.", "verdict": "incomplete", "year": 2026 }, "schema_version": "2", "status": "success" }
Confirm why Modelo 303 applies this year.
Els perfils ordinaris no exempts presenten el Model 303 trimestralment; els perfils de liquidació mensual d’IVA com ara REDEME presenten mensualment. L’Ana és trimestral.
Etapa 1: el saldo de crèdit d’IVA inicial¶
El Model 303 manté una memòria contínua entre períodes: quan un trimestre et deixa amb més IVA pagat que cobrat, la diferència és un crèdit (compensación) que la declaració següent pot utilitzar. L’eina fa el seguiment d’aquest crèdit en una cartera local construïda a partir del teu historial del Model 303, i el primer cop que utilitzes l’eina, aquest historial és buit, de manera que declares el saldo inicial una vegada.
L’Ana va iniciar la seva activitat aquest any, de manera que el seu saldo inicial real és zero:
1Seed the opening balance as zero for a taxpayer starting this year.
aeat --format json app modelo iva-wallet seed --filing-year 2025 --period 4T --amount 0 \
--confirmaeat --format json app modelo iva-wallet seed --filing-year 2025 --period 4T --amount 0 `
--confirm{ "active_profile": "docs-sequence-sandbox", "command": "modelo.iva_wallet.seed", "notices": [], "result": { "amount": "0", "filing_year": 2025, "operation": "modelo.iva_wallet.seed", "period": { "code": "4T", "filing_year": 2025 }, "provenance": "operator_seed", "register_status": null, "taxpayer_nif": "sha256:1c9f9632" }, "schema_version": "2", "status": "success" }
2Show the wallet balance as of the filing year.
aeat --format json app modelo iva-wallet balance --as-of-year 2026aeat --format json app modelo iva-wallet balance --as-of-year 2026{ "active_profile": "docs-sequence-sandbox", "command": "modelo.iva_wallet.balance", "notices": [], "result": { "active_balance": "0", "as_of_year": 2026, "expired_balance": "0", "lot_count": 0, "next_expiry_year": null, "operation": "modelo.iva_wallet.balance", "total_balance": "0", "unallocated_applied_amount": "0" }, "schema_version": "2", "status": "success" }
Confirm the opening IVA credit balance is recorded and reads back.
Si migres a l’eina a mig historial, sembres el crèdit que realment portaves en lloc de zero. Comprova la cartera en qualsevol moment amb aeat app modelo iva-wallet balance --as-of-year 2026.
Els errors tenen una via de correcció (aeat app modelo iva-wallet correct, amb --reason i --confirm), però una salvaguarda és absoluta: un saldo sembrat que un Model 303 ja presentat ha consumit es rebutja, perquè corregir-lo canviaria silenciosament una declaració presentada. El rebuig anomena la presentació que hi ha pel mig. Si hi topes, la xifra queda bloquejada exactament quan voldries que quedés bloquejada.
Etapa 2: la primera declaració trimestral¶
Les files del primer trimestre ja estan registrades i classificades amb el detall d’IVA (la seqüència les inicialitza). Crea, calcula, verifica i presenta el Model 303 del trimestre; el pas d’exportació es nega perquè al sobre li manca una autoritat revisada d’identitat de producte/programari:
1Open the first-quarter Modelo 303 draft.
aeat --format json app modelo work create --modelo 303 --year 2026 --period 1Taeat --format json app modelo work create --modelo 303 --year 2026 --period 1T{ "active_profile": "docs-sequence-sandbox", "command": "modelo.work.create", "notices": [], "result": { "applicability_guard_bypassed": false, "bucket_id": "<bucket-id>", "causante_ccaa": null, "created_at": "2026-04-01T09:00:00+00:00", "current_calculation_revision_id": null, "current_filing_record_id": null, "discard_reason": null, "discarded_at": null, "discarded_by": null, "filed_calculation_revision_id": null, "filing_year": 2026, "modelo": "303", "name": "303-2026-1T", "name_applied": null, "operation": "modelo.work.create", "period": { "code": "1T", "filing_year": 2026 }, "revision_id": "2026-y-siguientes", "short_current_calculation_revision_id": null, "short_filed_calculation_revision_id": null, "short_work_unit_id": "af6b2264dd9d", "state": "borrador", "status": "created", "status_message": "New work unit created.", "updated_at": "2026-04-01T09:00:00+00:00", "work_unit_id": "fa4ee17ff5b5641ee42af2d464c9e468397c41f78e1cccf742c0af6b2264dd9d" }, "schema_version": "2", "status": "success" }
2Calculate the quarter's IVA from the classified, evidenced ledger.
aeat --format json app modelo work calculate --modelo 303 --year 2026 --period 1T \
--m303-filing-evidence fixtures/m303-filing-evidence-2026-1T.jsonaeat --format json app modelo work calculate --modelo 303 --year 2026 --period 1T `
--m303-filing-evidence fixtures/m303-filing-evidence-2026-1T.json{ "active_profile": "docs-sequence-sandbox", "command": "modelo.work.calculate", "notices": [], "result": { "authorization_state": null, "binding_overrides": { "modelo-303-bienes-inversion-regularizacion-casilla-43": "0", "modelo-303-casilla-120-no-sujetas-localizacion-base": "0", "modelo-303-casilla-122-inversion-sujeto-pasivo-base": "0", "modelo-303-casilla-59-entregas-intracomunitarias-base": "0", "modelo-303-casilla-60-exportaciones-base": "0", "modelo-303-compensacion-pendiente-anteriores": "0", "modelo-303-criterio-caja-adquisiciones-base": "0", "modelo-303-criterio-caja-adquisiciones-cuota": "0", "modelo-303-criterio-caja-entregas-art75-base": "0", "modelo-303-criterio-caja-entregas-art75-cuota": "0", "modelo-303-iva-autorepercutido-interior-deducible-cuota": "0", "modelo-303-iva-autorepercutido-interior-devengado-cuota": "0", "modelo-303-iva-autorepercutido-intracomunitaria-cuota": "0", "modelo-303-iva-autorepercutido-intracomunitaria-deducible-cuota": "0", "modelo-303-iva-autorepercutido-intracomunitaria-devengado-base": "0", "modelo-303-iva-autorepercutido-intracomunitaria-devengado-cuota": "0", "modelo-303-iva-repercutido-general-base": "1000", "modelo-303-iva-repercutido-general-cuota": "210", "modelo-303-iva-repercutido-reducido-base": "0", "modelo-303-iva-repercutido-reducido-cuota": "0", "modelo-303-iva-repercutido-reducido-transitorio-base": "0", "modelo-303-iva-repercutido-reducido-transitorio-cuota": "0", "modelo-303-iva-repercutido-super-reducido-base": "0", "modelo-303-iva-repercutido-super-reducido-cuota": "0", "modelo-303-iva-repercutido-super-reducido-transitorio-base": "0", "modelo-303-iva-repercutido-super-reducido-transitorio-cuota": "0", "modelo-303-iva-soportado-importaciones-cuota": "0", "modelo-303-iva-soportado-interiores-base": "500", "modelo-303-iva-soportado-interiores-cuota": "105", "modelo-303-profile-state-attribution-ratio": "100", "modelo-303-prorrata-regularizacion-casilla-44": "0", "modelo-303-recargo-equivalencia-general-cuota": "0", "modelo-303-recargo-equivalencia-reducido-cuota": "0", "modelo-303-recargo-equivalencia-super-reducido-cuota": "0" }, "calculation_revision_id": "f976ec3e454a1fa1c12c1f41d30947cc66821ffa5ee62c4f871ec039ba694b92", "casilla_values": { "01": "0", "02": "0", "03": "0.00", "04": "0", "05": "0", "06": "0.00", "07": "1000", "08": "0", "09": "210.00", "10": "0.00", "107": "0", "108": "0", "109": "0", "11": "0.00", "111": "0", "112": "0", "12": "0", "120": "0", "122": "0", "123": "0", "124": "0", "125": "0", "126": "0", "127": "0", "128": "0", "13": "0.00", "14": "0", "15": "0", "150": "0", "151": "0", "152": "0", "153": "0", "154": "0.00", "155": "0.00", "156": "0", "157": "0", "158": "0", "16": "0", "165": "0", "166": "0.00", "167": "0.00", "168": "0", "169": "0", "17": "0", "170": "0", "18": "0", "19": "0", "20": "0", "21": "0", "22": "0", "23": "0", "24": "0", "25": "0", "26": "0", "27": "210.00", "28": "500", "29": "105.00", "30": "0", "31": "0", "32": "0", "33": "0.00", "34": "0", "35": "0", "36": "0", "37": "0.00", "38": "0", "39": "0", "40": "0", "41": "0", "42": "0", "43": "0.00", "44": "0.00", "45": "105.00", "47": "0", "48": "0", "49": "0", "50": "0", "51": "0", "52": "0", "53": "0", "54": "0", "55": "0", "56": "0", "57": "0", "58": "0", "59": "0", "60": "0", "62": "0", "63": "0", "64": "105.00", "65": "100", "66": "105.00", "68": "0", "70": "0", "71": "105.00", "74": "0", "75": "0", "76": "0", "77": "0", "79": "0", "80": "0", "81": "0", "83": "0", "84": "0", "86": "0", "88": "0", "89": "0", "90": "0", "91": "0", "92": "0", "93": "0", "94": "0", "95": "0", "96": "0", "97": "0", "98": "0", "99": "0", "decl.ejercicio": "2026", "iva.autoconsumo.promotor.base": "0", "iva.autoconsumo.promotor.cuota": "0.00", "iva.autorepercutido.interior.deducible": "0", "iva.autorepercutido.interior.devengado": "0", "iva.autorepercutido.intracomunitaria": "0", "iva.autorepercutido.intracomunitaria.deducible": "0", "iva.autorepercutido.intracomunitaria.devengado": "0", "iva.autorepercutido.intracomunitaria.devengado.base": "0", "iva.compensacion-aplicada-periodo": "0.00", "iva.compensacion-disponible-fin-periodo": "0.00", "iva.compensacion-generada-periodo": "0.00", "iva.compensacion-pendiente-periodos-anteriores": "0", "iva.compensacion-pendiente-periodos-posteriores": "0.00", "iva.cuota-deducible-total": "105.00", "iva.cuota-devengada-total": "210.00", "iva.prorrata-porcentaje": "100", "iva.prorrata-volumen-con-derecho": "0", "iva.prorrata-volumen-total": "0", "iva.regularizacion-inversiones": "0", "iva.repercutido.general": "210", "iva.repercutido.reducido": "0", "iva.repercutido.reducido.transitorio": "0", "iva.repercutido.super-reducido": "0", "iva.repercutido.super-reducido.transitorio": "0", "iva.resultado": "105.00", "iva.resultado-regimen-general": "105.00", "iva.soportado.importaciones": "0", "iva.soportado.interiores": "105" }, "created_at": "2026-04-01T09:00:00+00:00", "deadline": { "closes_on": "2026-04-20", "conditional_recargo_preview": null, "days_overdue": null, "days_remaining": 19 }, "detail_rows": [], "filed_at": null, "filed_by": null, "input_values_by_casilla_id": { "01": "0", "04": "0", "07": "1000", "120": "0", "122": "0", "153": "0", "165": "0", "170": "0", "21": "0", "24": "0", "28": "500", "43": "0", "44": "0", "59": "0", "60": "0", "62": "0", "63": "0", "65": "100", "74": "0", "75": "0", "decl.ejercicio": "2026", "decl.periodo": "1T", "iva.autorepercutido.interior.deducible": "0", "iva.autorepercutido.interior.devengado": "0", "iva.autorepercutido.intracomunitaria": "0", "iva.autorepercutido.intracomunitaria.deducible": "0", "iva.autorepercutido.intracomunitaria.devengado": "0", "iva.autorepercutido.intracomunitaria.devengado.base": "0", "iva.compensacion-pendiente-periodos-anteriores": "0", "iva.repercutido.general": "210", "iva.repercutido.reducido": "0", "iva.repercutido.reducido.transitorio": "0", "iva.repercutido.super-reducido": "0", "iva.repercutido.super-reducido.transitorio": "0", "iva.soportado.importaciones": "0", "iva.soportado.interiores": "105" }, "modality": null, "modality_reason": null, "observations": [ { "absent_by_design": false, "casilla_id": "01", "formula_id": null, "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "0" }, { "absent_by_design": false, "casilla_id": "02", "formula_id": null, "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "0" }, { "absent_by_design": false, "casilla_id": "03", "formula_id": "modelo-303-dr303-03-projection", "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": "value", "operand_casilla_refs": [ "iva.repercutido.super-reducido" ], "operand_refs": [ "iva.repercutido.super-reducido" ], "operand_values": [ "0" ], "source_refs": [ "aeat-dr-303-2024-early", "aeat-modelo-303-procedure", "boe-modelo-303-2008-form" ], "value": "0.00" }, { "absent_by_design": false, "casilla_id": "04", "formula_id": null, "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "0" }, { "absent_by_design": false, "casilla_id": "05", "formula_id": null, "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "0" }, { "absent_by_design": false, "casilla_id": "06", "formula_id": "modelo-303-dr303-06-projection", "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": "value", "operand_casilla_refs": [ "iva.repercutido.reducido" ], "operand_refs": [ "iva.repercutido.reducido" ], "operand_values": [ "0" ], "source_refs": [ "aeat-dr-303-2024-early", "aeat-modelo-303-procedure", "boe-modelo-303-2008-form" ], "value": "0.00" }, { "absent_by_design": false, "casilla_id": "07", "formula_id": null, "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "1000" }, { "absent_by_design": false, "casilla_id": "08", "formula_id": null, "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "0" }, { "absent_by_design": false, "casilla_id": "09", "formula_id": "modelo-303-dr303-09-projection", "legal_refs": [ "ley-37-1992:art-88", "ley-37-1992:art-90", "ley-37-1992:art-91", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": "value", "operand_casilla_refs": [ "iva.repercutido.general" ], "operand_refs": [ "iva.repercutido.general" ], "operand_values": [ "210" ], "source_refs": [ "aeat-dr-303-2024-early", "aeat-modelo-303-procedure", "boe-modelo-303-2008-form" ], "value": "210.00" }, { "absent_by_design": false, "casilla_id": "10", "formula_id": "modelo-303-dr303-10-projection", "legal_refs": [ "ley-37-1992:art-13", 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"operand_values": [ "210.00", "105.00" ], "source_refs": [ "aeat-dr-303-2024-early", "boe-modelo-303-2008-form", "aeat-modelo-303-procedure" ], "value": "105.00" }, { "absent_by_design": false, "casilla_id": "iva.soportado.importaciones", "formula_id": null, "legal_refs": [ "ley-37-1992:art-17", "ley-37-1992:art-92", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "0" }, { "absent_by_design": false, "casilla_id": "iva.soportado.interiores", "formula_id": null, "legal_refs": [ "ley-37-1992:art-92", "rd-1624-1992:art-71", "orden-eha-3786-2008:art-1" ], "op": null, "operand_casilla_refs": [], "operand_refs": [], "operand_values": [], "source_refs": [ "aeat-dr-303-2026" ], "value": "105" } ], "operation": "modelo.work.calculate", "registry_snapshot_ref": { "modelo": "303", "modelo_year": 2026, "period": "1T", "revision_id": "2026-y-siguientes" }, "relation_overrides": {}, "result_summary": [ { "casilla_id": "iva.cuota-devengada-total", "label": "Total accrued VAT amount", "role": "key_figure", "value": "210.00" }, { "casilla_id": "iva.cuota-deducible-total", "label": "Total deductible VAT amount", "role": "key_figure", "value": "105.00" }, { "casilla_id": "iva.resultado-regimen-general", "label": "General regime result", "role": "key_figure", "value": "105.00" }, { "casilla_id": "64", "label": "Result - Sum of results ([46]+[58]+[76])", "role": "key_figure", "value": "105.00" }, { "casilla_id": "66", "label": "Result - Amount attributable to the State Tax Administration ([64]×[65]/100)", "role": "key_figure", "value": "105.00" }, { "casilla_id": "iva.compensacion-aplicada-periodo", "label": "VAT credit from previous periods applied in this period", "role": "key_figure", "value": "0.00" }, { "casilla_id": "iva.compensacion-pendiente-periodos-posteriores", "label": "VAT credit from previous periods carried forward to later periods", "role": "key_figure", "value": "0.00" }, { "casilla_id": "iva.resultado", "label": "Result of the self-assessment ([66]+[77]+[68]-[78])", "role": "key_figure", "value": "105.00" }, { "casilla_id": "71", "label": "Result final ([69]-[70]+[109])", "role": "key_figure", "value": "105.00" }, { "casilla_id": "iva.compensacion-generada-periodo", "label": "Offset balance generated in this period", "role": "key_figure", "value": "0.00" }, { "casilla_id": "iva.compensacion-disponible-fin-periodo", "label": "Offset balance available for later periods", "role": "key_figure", "value": "0.00" }, { "casilla_id": "27", "label": "Total accrued VAT amount", "role": "key_figure", "value": "210.00" }, { "casilla_id": "45", "label": "Total deductible amount", "role": "key_figure", "value": "105.00" } ], "saved": true, "saved_confirmation": "Saved as draft calculation revision f976ec3e454a1fa1c12c1f41d30947cc66821ffa5ee62c4f871ec039ba694b92 (state: draft). It is persisted and can be resumed later.", "source_provenance": [ { "contributor_binding_source": "ledger_iva_aggregation", "contributor_source_kind": "ledger_iva_aggregation", "dependency_treatment": "", "fingerprint": null, "lineage_role": "primary", "parent_source_ref": null, "resolved_binding_source": "ledger_iva_aggregation", "resolver_id": "ledger_iva_aggregation", "source_ref": "transaction:71a5db2bb891df295bee72544c40497d24d5c8cfc7edab745ce7339dcf8d6518" }, { "contributor_binding_source": "ledger_iva_aggregation", "contributor_source_kind": "ledger_iva_aggregation", "dependency_treatment": "", "fingerprint": null, "lineage_role": "primary", "parent_source_ref": null, "resolved_binding_source": "ledger_iva_aggregation", "resolver_id": "ledger_iva_aggregation", "source_ref": "transaction:e3eeac5e306efe4e82a72896e92e7c236245ec85348834b2c10b120c67fe087d" }, { "contributor_binding_source": "prorrata_regularizacion", "contributor_source_kind": "prorrata_regularizacion", "dependency_treatment": "", "fingerprint": null, "lineage_role": "primary", "parent_source_ref": null, "resolved_binding_source": "prorrata_regularizacion", "resolver_id": "prorrata_regularizacion", "source_ref": "303:2026:1T,2T,3T,4T:prorrata-current-year-values" } ], "state": "borrador", "superseded_at": null, "updated_at": "2026-04-01T09:00:00+00:00", "verified_at": null, "verified_by": null, "work_unit_id": "fa4ee17ff5b5641ee42af2d464c9e468397c41f78e1cccf742c0af6b2264dd9d" }, "schema_version": "2", "status": "success" }
3Verify the draft; verification captures the evidence over the contributing rows.
aeat --format json app modelo work verify --modelo 303 --year 2026 --period 1Taeat --format json app modelo work verify --modelo 303 --year 2026 --period 1T{ "active_profile": "docs-sequence-sandbox", "command": "modelo.work.verify", "notices": [ { "action": null, "code": "modelo.work.verify.finding.advisory", "context": { "activity_start_date": "2026-01-01", "kind": "advisory", "legal_refs": "rd-1065-2007:art-9", "origin_code": "previous_filing_binding", "severity": "warning", "source_filing_year": "2025", "source_modelo": "303", "source_period": "4T", "source_refs": "aeat-dr-303-2026, aeat-modelo-303-procedure, boe-modelo-303-2008-form" }, "message": "Modelo 303 2025 4T is suppressed by operator declaration (previous_filing_binding), with declared activity start date 2026-01-01.", "severity": "warning" }, { "action": null, "code": "modelo.work.verify.finding.advisory", "context": { "binding_id": "71a5db2bb891df295bee72544c40497d24d5c8cfc7edab745ce7339dcf8d6518", "diagnostic_reason_code": "missing_transaction_evidence", "kind": "advisory", "legal_refs": "ley-37-1992:art-97, rd-1619-2012:art-2", "severity": "warning", "source_kind_code": "output_iva_evidence", "source_refs": "aeat-dr-303-2026, aeat-dr-303-2024-early, aeat-modelo-303-procedure, boe-modelo-303-2008-form, aeat-dr-303-2024-late" }, "message": "An output transaction has no supporting evidence (binding 71a5db2bb891df295bee72544c40497d24d5c8cfc7edab745ce7339dcf8d6518, source output_iva_evidence, reason missing_transaction_evidence).", "severity": "warning" } ], "result": { "calculation_revision_id": "f976ec3e454a1fa1c12c1f41d30947cc66821ffa5ee62c4f871ec039ba694b92", "completeness_status": "complete", "findings": [ { "action": null, "casilla_id": null, "expectation_id": null, "kind": "advisory", "legal_refs": [ "rd-1065-2007:art-9" ], "message": "Modelo 303 2025 4T is suppressed by operator declaration (previous_filing_binding), with declared activity start date 2026-01-01.", "severity": "warning", "source_refs": [ "aeat-dr-303-2026", "aeat-modelo-303-procedure", "boe-modelo-303-2008-form" ] }, { "action": null, "casilla_id": null, "expectation_id": null, "kind": "advisory", "legal_refs": [ "ley-37-1992:art-97", "rd-1619-2012:art-2" ], "message": "An output transaction has no supporting evidence (binding 71a5db2bb891df295bee72544c40497d24d5c8cfc7edab745ce7339dcf8d6518, source output_iva_evidence, reason missing_transaction_evidence).", "severity": "warning", "source_refs": [ "aeat-dr-303-2026", "aeat-dr-303-2024-early", "aeat-modelo-303-procedure", "boe-modelo-303-2008-form", "aeat-dr-303-2024-late" ] } ], "granted_verificado_completo": true, "missing_required_casilla_ids": [], "operation": "modelo.work.verify", "registry_snapshot_ref": { "modelo": "303", "modelo_year": 2026, "period": "1T", "revision_id": "2026-y-siguientes" }, "resolved_casilla_ids": [], "run_at": "2026-04-01T09:00:00+00:00", "verification_report_id": "26ac92bf9912bdc00bfa827e8c7d2958c91455fa9e0f5dfe55a797bfed58508d", "verified_by": "docs-sequence-sandbox" }, "schema_version": "2", "status": "warning" }
4Record the local filed marker after you upload through AEAT yourself.
aeat --format json app modelo work file --modelo 303 --year 2026 --period 1Taeat --format json app modelo work file --modelo 303 --year 2026 --period 1T{ "active_profile": "docs-sequence-sandbox", "command": "modelo.work.file", "notices": [], "result": { "aeat_accepted": false, "aeat_register": null, "amends_filing_record_id": null, "bucket_id": "<bucket-id>", "calculation_revision_id": "f976ec3e454a1fa1c12c1f41d30947cc66821ffa5ee62c4f871ec039ba694b92", "confirmation": "pendiente", "declaration_kind": "original", "external_evidence": null, "filed_at": "2026-04-01T09:00:00+00:00", "filed_by": "docs-sequence-sandbox", "filing_record_id": "e1d21631803e83d49a4726905eee57df4364e551c8096b3b2c35a8e6052782a6", "filing_year": 2026, "kind": "internal_filing", "live_submission": false, "member_nif": null, "modelo": "303", "notes": null, "operation": "modelo.work.file", "origin": "local", "period": { "code": "1T", "filing_year": 2026 }, "status": "vigente", "superseded_at": null, "superseded_by_filing_record_id": null, "work_unit_id": "fa4ee17ff5b5641ee42af2d464c9e468397c41f78e1cccf742c0af6b2264dd9d" }, "schema_version": "2", "status": "success" }
5Try to export the filed revision; it refuses without reviewed product/software identity authority.
aeat --format json app modelo export --modelo 303 --year 2026 --period 1T --output \
./modelo-303-2026-1T.boeaeat --format json app modelo export --modelo 303 --year 2026 --period 1T --output `
./modelo-303-2026-1T.boe{ "active_profile": "docs-sequence-sandbox", "command": "modelo.export", "error": { "action": null, "category": "FAIL", "code": "FAIL_MODELO_EXPORT", "context": { "calculation_revision_id": "f976ec3e454a1fa1c12c1f41d30947cc66821ffa5ee62c4f871ec039ba694b92" }, "message": "Modelo 303 export requires explicit product/software identity authority", "retryable": false, "runbook_id": null, "trace_id": null }, "notices": [], "schema_version": "2", "status": "error" }
Confirm the first quarter's IVA return verifies, files, and the export refuses.
6Pull the justificante for a work unit from AEAT and reconcile against it.
aeat app modelo reconcile pull --modelo 303 --year 2026 --period 1Taeat app modelo reconcile pull --modelo 303 --year 2026 --period 1TEl càlcul encamina les files classificades cap a les caselles d’IVA: els 210 d’IVA repercutit de la venda, els 105 d’IVA suportat deduïble de la compra, i la cartera sembrada alimenta la casella de compensació anterior. Amb les files de l’Ana, el trimestre acaba amb IVA a pagar: el repercutit supera el suportat.
Puja el fitxer al portal i, tot seguit, registra la presentació amb aeat app modelo work file i descarrega el justificante amb aeat app modelo reconcile pull (tots dos mostrats a la seqüència anterior): el mateix ritme de tancament que cada presentació d’aquests recorreguts.
El detall casella per casella d’aquest flux de treball és Prepara una presentació del Model 303 d’IVA.
Etapa 3: un trimestre de crèdit, i el trasllat¶
Suposem que el segon trimestre va a la inversa: l’Ana compra un portàtil i altres equips, i el seu IVA deduïble supera el que va repercutir. Quan l’IVA deduïble supera l’IVA repercutit, la casella de resultat és negativa i la declaració declara la diferència com a crèdit a compensar: el trimestre acaba sense res a pagar, i la cartera recorda el crèdit. Tot el segon trimestre s’executa contra el primer trimestre presentat de l’Ana i dins de la finestra de presentació de juliol, que l’entorn de proves congelat de la documentació no pot reproduir, de manera que la cadena es mostra com a marcs de visualització:
Registra la compra de l’equip i executa després la mateixa cadena que al primer trimestre:
1Record the equipment purchase whose deductible IVA exceeds the quarter's charged IVA.
aeat --format json app ledger add --date 2026-05-12 --amount 1815 --direction OUTGOING \
--description equipo informatico --classification BUSINESS --category-id \
hardware_amortizable --taxable-base 1500 --iva-rate 0.21 --iva-amount 315aeat --format json app ledger add --date 2026-05-12 --amount 1815 --direction OUTGOING `
--description equipo informatico --classification BUSINESS --category-id `
hardware_amortizable --taxable-base 1500 --iva-rate 0.21 --iva-amount 315{ "active_profile": "docs-sequence-sandbox", "command": "ledger.add", "notices": [], "result": { "bucket_event_ids": [ "b881beca98f76ed59f81bb0215e81aa7b317eed5509f2c96aca10bd96122c6c5" ], "bucket_id": "<bucket-id>", "review_status": "reviewed", "transaction": { "amount": "1815", "attachment_ids": [], "booked_date": "2026-05-12", "business_classification": "BUSINESS", "business_pct": null, "category_id": "hardware_amortizable", "classification_confidence": "1", "classification_reason": "aeat app ledger add", "classified_at": "2026-04-01T09:00:00+00:00", "classified_by": "manual", "counterparty": "", "counterparty_country": null, "counterparty_identification_state": null, "created_at": "2026-04-01T09:00:00+00:00", "currency": "EUR", "date": "2026-05-12", "description": "equipo informatico", "direction": "OUTGOING", "fx_rate": null, "invoice_id": null, "irpf_category": null, "iva_amount": "315", "iva_category": null, "iva_rate": "0.21", "lifecycle_state": "ACTIVE", "m210_income_classification": null, "modified_at": "2026-04-01T09:00:00+00:00", "notes": "", "prorrata_reference": null, "purchase_invoice_evidence_id": null, "source_jurisdiction": "ES", "taxable_base": "1500", "transaction_id": "84361a5024c83aef5cb99429635aea12eab17e2291fc4835deec6c0be577e910", "usage_ratio_id": null, "value_date": null, "value_in_eur": null }, "transaction_id": "84361a5024c83aef5cb99429635aea12eab17e2291fc4835deec6c0be577e910" }, "schema_version": "2", "status": "success" }
2Open the second-quarter Modelo 303 draft.
aeat --format json app modelo work create --modelo 303 --year 2026 --period 2Taeat --format json app modelo work create --modelo 303 --year 2026 --period 2T{ "active_profile": "docs-sequence-sandbox", "command": "modelo.work.create", "notices": [], "result": { "applicability_guard_bypassed": false, "bucket_id": "<bucket-id>", "causante_ccaa": null, "created_at": "2026-04-01T09:00:00+00:00", "current_calculation_revision_id": null, "current_filing_record_id": null, "discard_reason": null, "discarded_at": null, "discarded_by": null, "filed_calculation_revision_id": null, "filing_year": 2026, "modelo": "303", "name": "303-2026-2T", "name_applied": null, "operation": "modelo.work.create", "period": { "code": "2T", "filing_year": 2026 }, "revision_id": "2026-y-siguientes", "short_current_calculation_revision_id": null, "short_filed_calculation_revision_id": null, "short_work_unit_id": "e01a09d64767", "state": "borrador", "status": "created", "status_message": "New work unit created.", "updated_at": "2026-04-01T09:00:00+00:00", "work_unit_id": "fbec956defdca4f6ba7872bcc7024315cd049f522e140c50479ce01a09d64767" }, "schema_version": "2", "status": "success" }
Confirm the equipment purchase records and the second-quarter draft opens.
3Calculate, verify, export, and file the credit quarter.
aeat app modelo work calculate --modelo 303 --year 2026 --period 2Taeat app modelo work calculate --modelo 303 --year 2026 --period 2T4Verify a draft calculation revision against the verified-complete contract
aeat app modelo work verify --modelo 303 --year 2026 --period 2Taeat app modelo work verify --modelo 303 --year 2026 --period 2T5Export a verified-complete or filed modelo revision to a local AEAT-compatible fichero-BOE file.
aeat app modelo export --modelo 303 --year 2026 --period 2T --output \
./modelo-303-2026-2T.boeaeat app modelo export --modelo 303 --year 2026 --period 2T --output `
./modelo-303-2026-2T.boe6Mark a verified revision as internally filed.
aeat app modelo work file --modelo 303 --year 2026 --period 2Taeat app modelo work file --modelo 303 --year 2026 --period 2T7Pull the justificante for a work unit from AEAT and reconcile against it.
aeat app modelo reconcile pull --modelo 303 --year 2026 --period 2Taeat app modelo reconcile pull --modelo 303 --year 2026 --period 2TLes ordres des de work calculate en endavant llegeixen el primer trimestre presentat d’on prové el crèdit, per això es mostren com a quadres de presentació. Vincula la factura del proveïdor de l’equip a la fila del ledger abans de calcular: un trimestre que reclama IVA deduïble no es pot presentar fins que cada fila deduïble tingui la seva factura. Adjunta factures i rebuts ho explica pas a pas.
Al tercer trimestre el trasllat es manifesta: la mateixa cadena amb 3T porta la casella de compensació anterior des de la cartera, de manera que el crèdit del segon trimestre redueix el que pagues ara. Observa com es mou el saldo al llarg de l’any amb l’ordre de saldo de la cartera que es mostra executant-se a l’etapa 1 anterior.
El saldo informa del crèdit total, actiu i caducat i dels lots de què es compon. El crèdit caduca després de la finestra legal, de manera que la cartera també anomena el proper any de caducitat.
Etapa 4 (opcional): operacions intracomunitàries i Model 349¶
Omet aquesta etapa tret que factures clients o compres a proveïdors d’altres estats membres de la UE.
Si l’Ana pren un client de la UE, les operacions també han d’aparèixer al Model 349 recapitulatiu: un llistat, per operador de la UE, de les operacions intracomunitàries del període. Les operacions es registren com a registres de factura que porten el país de la contrapart i el número d’IVA de la UE, i val la pena comprovar primer el número d’IVA contra el registre VIES. Aquesta comprovació és una lectura en directe de l’AEAT, de manera que es mostra com a marc de visualització:
1Check an EU VAT number against the VIES register (a live AEAT read).
aeat app live verify nif-iva DE123456789aeat app live verify nif-iva DE123456789El flux de treball complet (registres de factura, les claus d’operació, les rectificacions de períodes anteriors) és Prepara una declaració recapitulativa del Model 349. Les mateixes operacions també alimenten les caselles intracomunitàries del 303; mantén-los coherents corregint els registres subjacents, mai les declaracions.
Etapa 5: el quart trimestre i el resum anual¶
Tanca el quart trimestre amb la mateixa cadena 4T al gener. Després prepara el resum anual del Model 390, token anual 0A, mateix any. El Model 390 no declara cap xifra nova: resumeix l’any, i els seus totals han de reconciliar amb les quatre declaracions trimestrals que vau presentar. El càlcul llegeix els teus registres presentats del Model 303; un trimestre que falti o sense evidència bloqueja la verificació anual amb una troballa entre períodes que l’anomena. La verificació inclou la regla de reconciliació: un total anual que no concordi amb la suma dels trimestres és una troballa bloquejadora, no un avís.
Obre el resum anual i executa després la mateixa cadena que per a un trimestre:
1Open the latest annual Modelo 390 summary backed by a filing-grade registry revision.
aeat --format json app modelo work create --modelo 390 --year 2025 --period 0Aaeat --format json app modelo work create --modelo 390 --year 2025 --period 0A{ "active_profile": "docs-sequence-sandbox", "command": "modelo.work.create", "notices": [], "result": { "applicability_guard_bypassed": false, "bucket_id": "<bucket-id>", "causante_ccaa": null, "created_at": "2026-04-01T09:00:00+00:00", "current_calculation_revision_id": null, "current_filing_record_id": null, "discard_reason": null, "discarded_at": null, "discarded_by": null, "filed_calculation_revision_id": null, "filing_year": 2025, "modelo": "390", "name": "390-2025-0A", "name_applied": null, "operation": "modelo.work.create", "period": { "code": "0A", "filing_year": 2025 }, "revision_id": "2025", "short_current_calculation_revision_id": null, "short_filed_calculation_revision_id": null, "short_work_unit_id": "b24b688e777b", "state": "borrador", "status": "created", "status_message": "New work unit created.", "updated_at": "2026-04-01T09:00:00+00:00", "work_unit_id": "66d74724a7f3194144d855c6ccee80b76ca7ed72ad50f7192d7eb24b688e777b" }, "schema_version": "2", "status": "success" }
Confirm the latest filing-grade annual Modelo 390 summary opens on its 2025 registry revision.
2Calculate, verify, export, and file the annual summary.
aeat app modelo work calculate --modelo 390 --year 2025 --period 0Aaeat app modelo work calculate --modelo 390 --year 2025 --period 0A3Verify a draft calculation revision against the verified-complete contract
aeat app modelo work verify --modelo 390 --year 2025 --period 0Aaeat app modelo work verify --modelo 390 --year 2025 --period 0A4Export a verified-complete or filed modelo revision to a local AEAT-compatible fichero-BOE file.
aeat app modelo export --modelo 390 --year 2025 --period 0A --output \
./modelo-390-2025.boeaeat app modelo export --modelo 390 --year 2025 --period 0A --output `
./modelo-390-2025.boe5Mark a verified revision as internally filed.
aeat app modelo work file --modelo 390 --year 2025 --period 0Aaeat app modelo work file --modelo 390 --year 2025 --period 0A6Pull the justificante for a work unit from AEAT and reconcile against it.
aeat app modelo reconcile pull --modelo 390 --year 2025 --period 0Aaeat app modelo reconcile pull --modelo 390 --year 2025 --period 0ALes ordres des de work calculate en endavant resolen els quatre trimestres presentats, per això es mostren com a quadres de presentació fins que s’hagi presentat cada trimestre de l’any.
El detall casella per casella és Prepara el resum anual del Model 390.
Què has completat¶
Has portat el mateix contribuent a través d’un any complet d’IVA: un saldo de cartera inicial declarat una vegada, un trimestre de pagament, un trimestre de crèdit la compensación del qual es va traslladar a la declaració següent, una branca recapitulativa opcional, i un resum anual que va reconciliar amb els quatre trimestres del teu propi registre.
Passos següents¶
L’any de l’impost sobre la renda: la mateixa persona a través de l’IRPF.
Dedueix l’IVA suportat amb prorrata: quan la teva activitat barreja operacions gravades amb IVA i exemptes.