How to fill out the Affidavit of Domicile Form Instructions? 1. Obtain the Affidavit of Domicile form. 2.Application for 1-d-1 (Open-Space) Agricultural Use Appraisal. With Surviving Spouse (§201.002, Texas Estates Code). A) With Children or their descendants. The residential homestead exemption application is located on our website tadd. Org under forms then homestead exemption. The applicant must use this affidavit to support their claim of residency or being domiciled in Texas. If you would rather fill out the form you can download it here. Complete Form Online.