Complete the Homestead Declaration form. The form must be printed legibly in black ink.Homestead Exemptions. The deadline for filing an application for a homestead exemption in Athens-Clarke County is April 1. The Assessor's Office maintains the official real property mailing address records for Clark County. The form can be filled out and submitted in PDF format. Disabled applicants must complete form DTE 105E,. First, obtain a Declaration of Homestead form. Most office supply stores and the County Recorder's Office carry the forms. NOTE: Do not write in 1-inch margin.