Income received for military service outside Pennsylvania while on active duty as a member of the armed forces is not taxable as compensation. Applications must be submitted to the County Auditor in the county of residence on or before December 31st.How do I show proof of age? The filing deadline for qualified applicants to receive consideration for a Homestead exemption for property taxes is March 1. The "General Information" tab for your property will show "Yes" in the Homestead line on the left side of the web page if your application is on file. Many states offer property tax exemptions and other benefits for disabled Veterans. Additional exemptions based on income and disability.