1. Census declaration, forms 036 or 037

The Tax Agency's electronic headquarters includes a " Census Informant ", where you can consult, among other things, how to carry out the different census procedures relating to personal data or your economic activity and the form and deadlines for doing so, as well as respond to requests in census verification procedures.

1. 1.1 Declaration of discharge. NIF application
2. 1.2 Declaration of modification and withdrawal
3. 1.3 Summary of the documentation accompanying form 036
4. 1.4 Model 039
5. 1.5 Form 035
6. 1.6 Registration and identification number of economic operators - EORI