The application filing period is from January 1st through December 31st. Disabled applicants must complete form DTE 105E,.The time to apply is from January 1st to December 31st. The deadline is usually at the end of the year. Interested in applying for property tax relief? Please read before you complete the application. What is the Homestead Exemption? The CHN program ran out of money in late 2023. To enroll in the Homestead Discount Program, customers must complete and submit an application. Do not file any exemption applications with the NYS Department of Taxation and Finance or with the Office of Real Property Tax Services.