The word or phrase domicile refers to housing that someone is living in, or (law) the residence where you have your permanent home or principal establishment. Instructions: Complete this form to clarify for the Michigan Department of Treasury your domicile for tax purposes.Domicile is relevant to an individual's "personal law", which includes the law that governs a person's status and their property. "Resident" means: (a) An individual domiciled in the state. I ask the court to enter an order allowing a change of domicile or legal residence.