Societies without activity and without a Tax Identification Number (NIF) The regulation outlines an automated information exchange system between the Notary and the Tax Agency so that the public notary can identify legal entities with a revoked Tax Identification Number (NIF). You can check the status of your tax identification on the Tax Agency's website by accessing the service "Consult by NIF (legal entities)" within the list of procedures for Forms 036 and 037. Census of Entrepreneurs, Professionals, and Withholders – Tax Registration Declaration for registration, modification, and de-registration, and simplified tax registration declaration. Causes Your NIF can be revoked when: • After more than twelve months and three attempts, it has been impossible to notify the taxpayer at the tax address. • The Corporate Tax return (Form 200) is not submitted for three [...]