No information is available for this page. Exemption applications must be filed with your local assessor's office.See our Municipal Profiles for your local assessor's mailing address. How to Complete the Application. Fill out the other side of this application completely. Here are some of the important tax exemptions you should know about if you own a home in Nassau County. Harris County homeowners achieved remarkable tax savings in 2022 through property protests. Learn the success rates here. City sales and use tax codes and rates. FORM ST-60 AS AN EXEMPTION CERTIFICATE OR DOCUMENT OR FOR FAILURE TO. PAY OR COLLECT TAX SHALL BE AS PROVIDED IN THE TAX LAW.