Finance and Taxes Services Finance and Taxes Finance and tax services available NIF consultation and taxpayer framework Consult the NIF and the taxpayer's tax framework. Confirm the data and know the regime in which the citizen's economic activity falls. Tax returns Consult the declarations submitted to the National Directorate of State Revenues (DNRE). You can confirm the declared income and associated taxes. Tax Identification Number (NIF) Apply for your NIF for the first time or obtain a duplicate of your NIF certificate online to prove your tax identification number to banks, public services or other organisations. NIF Declaration (2nd copy) Request a copy of your tax identification number in case of loss, theft or deterioration of the original. Delivery is online for nationals. Hidden