Purpose: To request domicile verification from a nonrelative who is familiar with the household's situation. 1. Collect all necessary documentation supporting your domicile claim.To establish a new domicile, you need 1) a physical presence, and 2) a truthful, concurrent, intent of making the new state your permanent place of abode. Complete an Affidavit of Domicile form. The letter is worded to the outside person not to you. How Do I Fill Out an Affidavit of Domicile?