All exemptions or discounts are applied for through the applicant's local property appraiser. If you qualify for a homestead exemption or any other exemption, you must report any changes in your status.When to file: Application for all exemptions must be made between January 1 and March 1 of the tax year. Obtaining a veterans exemption is not automatic – If you're an eligible veteran, you must submit the initial exemption application form to your assessor. Applicants must meet requirements as of January 1. The deadline to file an application is March 1. In 1984, the Legislature amended the Real Property Tax Law (RPTL) and enacted a new alternative veterans exemption, 458a (L. People who are permanently disabled are eligible for this exemption.