federal and state id numbers in texas
1 Once the federal government issues you a tax identification number, you will have to get a state Tax Id Number from Texas as well if you sell tangible items or you are an employer. 2  Find out more here, or ask your lawyer, bookkeeper or accountant to do this for you.usinesses that are employers are required to obtain a State Tax Id (EIN) and a Federal Tax Id (FEIN) NOTE: Sole owners can use a federal Tax Id Number to build business credit. Back to Top.