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Tax terms glossary
- autonomoAutónomo — self-employed worker in Spain, registered with the tax authority and social security system.
- cnaeClasificación Nacional de Actividades Económicas — national classifier of economic activities in Spain.
- haciendaHacienda — informal name for the Agencia Tributaria, Spain's national tax authority.
- iaeImpuesto sobre Actividades Económicas — business activity tax (most autónomos are exempt).
- irpfImpuesto sobre la Renta de las Personas Físicas — personal income tax in Spain.
- ivaImpuesto sobre el Valor Añadido — Spanish value added tax (equivalent to VAT).
- nafNúmero de Afiliación — social security affiliation number (synonym for NUSS for autónomos).
- nieNúmero de Identificación de Extranjero — foreign identification number required for foreigners in Spain.
- nussNúmero de la Seguridad Social — personal social security number in Spain.
- retaRégimen Especial de Trabajadores Autónomos — special social security regime for self-employed workers.