Other formalities affecting business
Find out how to apply for a NIF, NIF IVA, how to modify your tax register data, how to obtain tax certificates and questions related to the registers of powers of attorney and successors.
You can carry out procedures related to census verification and rectification procedures, as well as the restoration and revocation of the NIF of legal persons.
Virtual census assistance tools
Find out how to apply for a NIF, a VAT NIF and the documents you need to provide.
Tax register procedures
How to register with the Tax register if I carry out a business activity or pay income subject to withholding or on-account payment, how to modify my obligations or tax register data of my activity and how to cancel my activity.
Find out how to obtain an IAE taxpayer certificate, tax register status, tax residence, VAT taxpayer status, non-profit entity status, among others.
Trade Income Tax (IAE)
We tell you everything you need to know about Trade Income Tax (IAE).
Registration of inheritances and legal representations of minors and disabled persons
We tell you everything you need to know about registration of inheritances and legal representations of minors and disabled persons
Registration of representative powers
For the registration of powers of attorney granted by natural and legal persons to carry out transactions and actions via the Internet
Register verification procedures
Find out about the procedures that may affect you if the Administration is checking your tax register data:returns/self-assessments not submitted, application for VAT-NIF/registration in the register of intra-EU traders, registration for monthly VAT refund, revocation/re-enabling of NIF number.