Download the Act 50 Applications(PDF, 1MB) and complete it. Looking for info on Homestead Exemption tax relief?Homestead Exemption In order to qualify for the exemption, you must be a veteran of the armed forces. The first step is to fill out the application form (DTE105A). To apply for a veteran's exemption, contact Allegheny County Veterans' Services at 412-621-4357 to schedule an appointment. Senior Citizen Exemption (state mandated). If you are a resident and don't have Act 50, the Homestead.