Tax registers, NIF and tax address
Find out about the steps to take when you apply for a NIF, start a business or change your address
Highlighted procedures
You can carry out procedures for forms 030, 035 and 036, as well as those related to procedures in which the Tax Agency is checking your census status or the revocation and rehabilitation of NIF. You can also carry out the VIES consultation.
Tax Registry and Economic Activities Tax virtual assistant tools
Using these tools you can obtain information interactively on the most frequently asked questions.
Who should be registered
Find out about the censuses and registries where you must register based on 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 modify your tax address and notifications
Tax register formalities related to my personal details and address (Form 030)
Find out who must use Form 030, the forms, place and deadline for submission, how to register in the Census of taxpayers, modify your personal data, marital status, request a new NIF card, communicate an address, your telephone number and your email address, as well as legal or voluntary representation.
Census procedures related to entrepreneurs, professionals and withholding agents (Form 036)
Find out who can use Form 036, the forms, place and deadline for submission. How to register, modify your obligations or census data and request deregistration from the Census of entrepreneurs, professionals and withholding agents, how to report successors and how to submit IAE declarations
Tax register declarations. Model 040
Find out who can use Form 040, the reasons, method and deadline for submission, and the additional documentation you must provide.
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.