Spanish regional tax deductions (deducciones autonomicas), IRPF deductions by Comunidad Autonoma, or territory-specific tax benefits.
Written by the OpenAccountants team. Written by the OpenAccountants team from the official sources it cites.
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Dual structure of IRPF
Spanish IRPF is split 50/50 between the State (cuota estatal) and the Autonomous Community (cuota autonómica). The state portion is fixed nationwide; the regional portion is where each CCAA can: 1. Modify the regional tax brackets (escala autonómica) 2. Create regional deductions (deducciones autonómicas) that reduce the cuota autonómica. Regional deductions apply AFTER computing the cuota íntegra autonómica. They reduce the tax owed to the regional government. They do NOT reduce the state portion.
Key principles
Deductions are claimed on Modelo 100 (annual IRPF return), in the autonomous community section. Each deduction has a specific AEAT casilla (box number). Most deductions have income limits (base imponible general + base imponible del ahorro). Joint filing (tributación conjunta) may double some limits. Deductions cannot generate a negative cuota autonómica (floor = 0).
País Vasco foral system
The three Basque provinces have their OWN IRPF system entirely separate from the common territory. They set their own: Tax brackets (generally lower than common territory for low-to-mid incomes); Deductions (different catalogue); Minimum exemptions. Key differences from common territory: IRPF brackets: 7 progressive brackets from 23% to 49% (2025); Mínimo personal exento: EUR 5,472; No split state/regional -- single scale; Own deductions catalogue not covered by AEAT XSD. Regime classifier: If the taxpayer's fiscal residence is in País Vasco, use foral basque rules. Do NOT apply common territory deductions.
Navarra foral system
Navarra has its own complete IRPF system: 11 progressive brackets from 13% to 52.8%; Mínimo personal: ~EUR 5,500; Own deductions set; Filed with Hacienda Foral de Navarra, NOT AEAT. Regime classifier: If fiscal residence is Navarra, use foral navarra rules exclusively.
Ceuta and Melilla benefits
Ceuta and Melilla are NOT autonomous communities but autonomous cities. They use the common territory IRPF scale but benefit from: 60% deduction on cuota íntegra (Art. 68.4 LIRPF) for income generated there; 50% bonificación on cuota autónomos for specific sectors (Agriculture, Industry, Commerce, Tourism). This effectively means total IRPF rates are ~40% of what common territory taxpayers pay.Art. 68.4 LIRPF
Step-by-step computation process
1. Identify the taxpayer's Comunidad Autónoma of fiscal residence (where they lived on 31 December of the tax year) 2. Compute the cuota íntegra autonómica using that CCAA's regional brackets 3. Apply mínimo personal y familiar at the regional rate to get cuota líquida autonómica 4. Sum all applicable regional deductions for which the taxpayer qualifies 5. Cap: Total deductions cannot exceed the cuota líquida autonómica (floor = 0) 6. Result: Cuota diferencial autonómica = cuota líquida autonómica - deducciones autonómicas
Common eligibility requirements
Most deductions require: Income limit: Base imponible general + base imponible del ahorro below a threshold (varies by CCAA, typically EUR 25,000-30,000 individual, EUR 36,000-50,000 joint); Residency: Fiscal residence in the CCAA during the full tax year; Documentation: Supporting invoices, certificates, or official documents; Non-duplication: Cannot apply overlapping state and regional deductions for the same expense.
State/regional deduction interaction
Some deductions exist at BOTH state and regional level: Maternidad (maternity): State deduction EUR 1,200/year + some CCAA add regional top-up; Familia numerosa: State deduction + some CCAA add extra; Donativos: State deduction (Ley 49/2002) + CCAA-specific donation deductions; Vivienda habitual pre-2013: State transitional deduction + CCAA may maintain their own. Rule: State and regional deductions for the SAME concept may coexist (they reduce different portions of the tax). However, the same expense cannot generate deductions at BOTH levels if the law explicitly prohibits it.Ley 49/2002
Rendered from the canonical facts model. General reference only — confirm with a qualified professional before acting.
Quick Reference
| Field | Value |
|---|---|
| Country | Spain (Estado Español) |
| Tax | IRPF -- Deducciones Autonómicas (Cuota Autonómica) |
| Currency | EUR only |
| Tax year | Calendar year (año natural) |
| Legislation | LIRPF Art. 77; Each Comunidad Autónoma's own tax law |
| Authority | AEAT + Regional tax agencies (ATC, ATV, etc.) |
| Total known deductions | ~339 in common territory + additional in foral territories |
| Territories covered | 15 common territory CCAA + 4 foral (Álava, Bizkaia, Gipuzkoa, Navarra) + Ceuta + Melilla |
| Skill version | 1.0 |
Andalucía deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Por nacimiento o adopción de hijos | Recent birth/adoption |
| Familia | Por adopción internacional | International adoption |
| Familia | Familia monoparental | Single parent with dependents |
| Discapacidad | Contribuyente con discapacidad | Taxpayer disability ≥33% |
| Discapacidad | Cónyuge con discapacidad | Spouse disability ≥33% |
| Vivienda | Inversión vivienda protegida / jóvenes | Protected housing or under 35 |
| Vivienda | Alquiler vivienda habitual | Habitual residence rental |
| Inversión | Adquisición acciones sociedades | Investment in new companies |
| Donaciones | Donativos con finalidad ecológica | Ecological donations |
| General | Deducción aplicable con carácter general | Income below threshold |
| Salud | Gastos defensa jurídica laboral | Employment legal costs |
Aragón deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento o adopción tercer hijo+ | 3rd or subsequent child |
| Educación | Libros de texto y material escolar | School-age children |
| Vivienda | Adquisición vivienda habitual víctimas terrorismo | Terrorism victims |
| Inversión | Acciones entidades segmento empresas en expansión | Listed growth companies |
| Inversión | Adquisición acciones/participaciones nuevas sociedades | New company investment |
| Donaciones | Donaciones ecológicas e I+D | R&D and ecological |
| Discapacidad | Gastos formación autonomía discapacitados | Disability training expenses |
Asturias deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Adopción internacional | International adoption |
| Familia | Partos múltiples / adopción simultánea | Multiple births |
| Familia | Familias numerosas | Large families |
| Familia | Familias monoparentales | Single-parent families |
| Educación | Libros de texto y material escolar | School-age children |
| Educación | Gastos formación contribuyentes | Training expenses |
| Vivienda | Inversión vivienda habitual protegida | Protected housing |
| Vivienda | Arrendamiento vivienda habitual | Rent ≤ income limits |
| Territorial | Trabajadores cuenta propia zonas rurales | Self-employed in rural areas |
| Territorial | Gastos transporte público concejos despoblación | Public transport in depopulating areas |
| Trabajo | Traslado domicilio fiscal a Asturias | Relocating to Asturias |
Islas Baleares deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Gastos adquisición libros texto | School books |
| Familia | Gastos aprendizaje extraescolar idiomas | Language classes |
| Vivienda | Arrendamiento vivienda habitual jóvenes/discapacitados | Under 36 or disabled, rental |
| Donaciones | Donaciones investigación, desarrollo, innovación | R&D&I donations |
| Donaciones | Donaciones patrimonio histórico | Heritage preservation |
| Salud | Gastos ascendientes mayores 65 años | Elderly care expenses |
Canarias deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Donaciones | Donaciones finalidad ecológica | Ecological donations |
| Donaciones | Donaciones rehabilitación patrimonio | Heritage rehabilitation |
| Educación | Gastos estudios educación superior | University/higher education |
| Territorial | Traslado residencia a otra isla | Inter-island relocation |
| Vivienda | Inversión vivienda habitual | Habitual residence acquisition |
| Familia | Nacimiento o adopción | Birth/adoption |
| Familia | Gastos guardería | Nursery expenses |
Note: Canarias also has specific indirect tax benefits (IGIC instead of IVA) and the RIC (Reserva para Inversiones en Canarias) which affects corporate tax. These are NOT IRPF deductions.
Cantabria deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Cuidado familiares dependientes | Dependent family care |
| Familia | Gastos guardería menores 3 años | Nursery for children under 3 |
| Vivienda | Arrendamiento vivienda habitual jóvenes | Rental for young people |
| Vivienda | Obras mejora vivienda | Home improvement works |
| Donaciones | Donativos fundaciones Cantabria | Donations to Cantabrian foundations |
Castilla y León deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento o adopción | Birth/adoption |
| Familia | Cuidado hijos menores | Childcare expenses |
| Familia | Familias numerosas | Large families |
| Actividad Económica | Fomento emprendimiento | Entrepreneurship promotion |
| Vivienda | Adquisición vivienda jóvenes zonas rurales | Young people buying in rural areas |
| Vivienda | Alquiler vivienda habitual jóvenes | Rental for young people |
Castilla-La Mancha deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento o adopción | Birth/adoption |
| Familia | Familia numerosa | Large family |
| Discapacidad | Contribuyentes con discapacidad | Disability ≥33% |
| Vivienda | Adquisición vivienda habitual jóvenes | Young people (<36) buying home |
| Vivienda | Arrendamiento vivienda habitual jóvenes | Young people renting |
| Donaciones | Donaciones finalidad medioambiental | Environmental donations |
| Educación | Gastos educativos | Educational expenses |
Cataluña deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento o adopción hijo | Birth/adoption |
| Donaciones | Donativos lengua catalana/occitana | Catalan/Occitan language promotion |
| Donaciones | Donativos investigación científica | Scientific research donations |
| Vivienda | Alquiler vivienda habitual | Habitual residence rental |
| Educación | Intereses préstamos máster/doctorado | Loan interest for postgraduate studies |
Note: Cataluña has fewer deductions but applies modified regional brackets that can result in a higher overall rate for high earners.
Comunidad Valenciana deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento, adopción, acogimiento | Birth/adoption/foster care |
| Familia | Nacimiento o adopción múltiples | Multiple births |
| Familia | Hijos con discapacidad | Children with disabilities |
| Familia | Familia numerosa o monoparental | Large or single-parent family |
| Familia | Custodia guarderías | Nursery custody expenses |
| Familia | Conciliación trabajo-familia | Work-family balance |
| Vivienda | Arrendamiento vivienda habitual | Habitual residence rental |
| Vivienda | Adquisición vivienda habitual discapacitados | Home purchase by disabled |
| Vivienda | Primera adquisición vivienda jóvenes ≤35 | First home under 35 |
| Sostenibilidad | Instalaciones autoconsumo renovable | Renewable self-consumption |
| Movilidad | Adquisición vehículos nuevos | New vehicle purchase |
| Donaciones | Donativos medioambientales | Environmental donations |
| Donaciones | Donaciones patrimonio cultural valenciano | Valencian cultural heritage |
| Educación | Gastos educativos: libros, transporte, comedor | School expenses |
Extremadura deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Cuidado hijos menores 14 años | Childcare for children under 14 |
| Vivienda | Adquisición vivienda habitual jóvenes | Young people buying home |
| Vivienda | Alquiler vivienda habitual jóvenes | Young people renting |
| Trabajo | Trabajo dependiente | Dependent employment income |
| Donaciones | Donaciones entidades Extremadura | Regional donations |
Galicia deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento o adopción | Birth/adoption |
| Familia | Familia numerosa | Large family |
| Familia | Cuidado hijos menores | Childcare |
| Vivienda | Inversión vivienda habitual | Home purchase |
| Vivienda | Alquiler vivienda habitual | Rental |
| Educación | Gastos universitarios | University expenses |
| Discapacidad | Contribuyentes con discapacidad ≥33% | Disability |
| Donaciones | Donativos entidades gallegas | Galician donations |
La Rioja deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento y adopción | Birth/adoption |
| Vivienda | Inversión vivienda habitual jóvenes | Young people buying |
| Vivienda | Alquiler vivienda habitual jóvenes | Young people renting |
| Movilidad | Adquisición bicicletas pedaleo no asistido | Non-electric bicycle purchase |
| Donaciones | Donativos culturales, medioambientales | Cultural/environmental donations |
| Educación | Gastos escolarización | School expenses |
Madrid deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Nacimiento o adopción | EUR 600/child (EUR 600 additional if multiple) |
| Familia | Adopción internacional | EUR 600/child |
| Familia | Acogimiento familiar menores | EUR 600-900/minor |
| Familia | Acogimiento no remunerado mayores 65/discapacitados | EUR 900/person |
| Vivienda | Arrendamiento vivienda habitual | 30% rent, max EUR 1,000 (under 35) |
| Actividad Económica | Fomento autoempleo jóvenes <35 | EUR 1,000 for new self-employed under 35 |
| Territorial | Cambio residencia municipio despoblación | Relocation to depopulating area |
| Donaciones | Donativos fundaciones culturales | 15% of donations |
| Donaciones | Donativos medioambientales | 15% of donations |
| Educación | Gastos educativos (escolaridad, idiomas, vestuario) | EUR 400-900/child depending on stage |
Madrid typical income limits for housing deductions:
Murcia deductions
| Category | Deduction | Key Requirements |
|---|---|---|
| Familia | Gastos guardería menores 3 años | Nursery for children under 3 |
| Vivienda | Inversión vivienda habitual jóvenes | Young people buying home |
| Vivienda | Arrendamiento vivienda habitual | Rental deduction |
| Sostenibilidad | Instalaciones recursos energéticos renovables | Renewable energy installations |
| Donaciones | Donativos medioambientales | Environmental donations |
| Discapacidad | Contribuyentes con discapacidad | Disability ≥33% |
Deduction categories
| Category | Count | Description |
|---|---|---|
| Familia | 74 | Birth, adoption, large families, childcare, single parents |
| Vivienda | 74 | Home purchase, rental, renovation, protected housing |
| General | 65 | Broad-application deductions, income-based |
| Donaciones | 39 | Ecological, cultural, scientific, heritage donations |
| Discapacidad | 27 | Taxpayer or family member disability ≥33% |
| Educación | 20 | School materials, tuition, university, training |
| Inversión | 18 | Startup investment, company shares |
| Salud | 9 | Healthcare, elderly care, legal costs |
| Sostenibilidad | 3 | Renewable energy, self-consumption installations |
| Territorial | 3 | Rural depopulation incentives, island relocation |
| Trabajo | 3 | Employment mobility, relocation |
| Movilidad | 2 | Vehicle/bicycle purchase |
| Actividad Económica | 2 | Self-employment, entrepreneurship |
Conservative defaults
| Ambiguity | Default |
|---|---|
| Unknown Comunidad Autónoma | DO NOT apply any regional deductions; ask first |
| Income limit unknown | Assume limit is exceeded (conservative = no deduction) |
| Foral vs common territory unknown | Ask -- critical difference in entire tax computation |
| Joint vs individual filing unknown | Assume individual (lower deduction limits) |
| Child disability not documented | Do not apply disability deduction |
| Duration of residency in CCAA unknown | Ask -- partial-year residency affects eligibility |
Input: María, 32, single, one child born 2025, rents apartment EUR 800/month. Base imponible EUR 22,000. Fiscal residence: Madrid.
Applicable Madrid deductions:
Result: María's cuota autonómica is reduced by EUR 1,600.
Regional deductions are declared in casillas 0850-1200+ of the AEAT Modelo 100 form. Each CCAA has assigned casilla ranges. Key ranges:
CCAA casilla ranges
| CCAA | Casilla Range (approximate) |
|---|---|
| Andalucía | 0850-0870 |
| Aragón | 0871-0900 |
| Asturias | 0901-0930 |
| Baleares | 0931-0960 |
| Canarias | 0961-0990 |
| Cantabria | 0991-1010 |
| Castilla y León | 1011-1040 |
| Castilla-La Mancha | 1041-1070 |
| Cataluña | 1071-1090 |
| Comunidad Valenciana | 1091-1140 |
| Extremadura | 1141-1160 |
| Galicia | 1161-1185 |
| La Rioja | 1186-1210 |
| Madrid | 1211-1240 |
| Murcia | 1241-1270 |
This skill and its outputs are provided for informational and computational purposes only and do not constitute tax, legal, or financial advice. Open Accountants and its contributors accept no liability for any errors, omissions, or outcomes arising from the use of this skill. All outputs must be reviewed and signed off by a qualified professional (such as an asesor fiscal or equivalent licensed practitioner in your jurisdiction) before filing or acting upon.
The deduction catalogue changes annually. CCAA legislatures modify amounts, add new deductions, and remove others each fiscal year. Always verify against the current year's published BOE/BOJA/DOGC/DOGV/etc.
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