How Do I Fill Out an Affidavit of Domicile? If you do NOT consider yourself domiciled in Arizona, present this form after completing Part 1 and Part 2 and signing at the bottom of Part 5 on the fifth page.You need to provide two forms of proof of residency to obtain this. School Finance provides numerous forms that Local Education Agencies (LEAs) use to submit data or to initiate certain changes and requests. The employee must complete Arizona Form WEC to claim an exemption from Arizona income tax withholding. Give the completed certificate to your employer.