Tax Registers, Tax identity number (NIF) and tax address
Find out about the steps to take when you apply for a NIF, start a business or change your address
You can carry out formalities for forms 030, 035, 036 and 037, as well as those related to procedures in which the Tax Agency is checking your tax registry situation or the revocation and rehabilitation of a NIF.You can also carry out the VIES consultation.
Tax register Tools - IAE
Who must be registered?
Find out about the lists and registers where you must register according to your tax obligations.
How to apply for a NIF
Find out how to apply for a NIF, a VAT NIF and the documents you need to provide.
Address of citizens
Find out how to communicate and change your tax and notification address
Tax register declarations.Form 030
Find out who can use Form 030, the reasons, the form and deadline for filing and the complementary documentation that you must provide.
Tax register formalities related to my personal details and address (Form 030)
Find out how to carry out your tax register procedures for modifying your identification details, civil status, addresses and, where applicable, legal representatives or volunteers, or how to notify your status as the successor of a deceased person.
Tax register declarations.Tax Forms 036 and 037
Find out who can use Forms 036 and 037, causes, deadline and ways of filing.
Tax register formalities related to entrepreneurs, professionals and withholders (Forms 036/037)
How do I register on the Tax Register if I carry out a business or professional activity or pay income subject to withholding or on-account payment, and how do I modify my obligations or tax register data of my activity.How do I cancel registration of my activity and what should I do if I have received a notification concerning the verification of my tax register status?
What should I do if I have received a notification regarding the verification of my tax register status?
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 VAT number
Consultation of cancelled and reinstated NIF (Personal Tax ID) numbers
Consult the list of revoked and reinstated NIF (Personal Tax ID) numbers
How to apply for and obtain a tax certificate on my tax register status
Find out how to obtain a certificate of IAE, tax register status, tax residence, VAT taxpayer status, non-profit entity status, among others.