Your domicile is your fixed and permanent home to which you always have the intention of returning whenever absent, even though you may live elsewhere. What does Pennsylvania domicile mean?Domicile is the place where one intends to reside either permanently or indefinitely, and does in fact so reside. Domicile certificates are statelevel residency certificates. 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. An Affidavit of Domicile is a legal document that serves as a sworn statement used to establish the residence or domicile of a deceased person. Domicile refers to the locality where a taxpayer maintains his or her permanent abode, and is the place where he or she intends to return whenever absent. In India, it is compulsory for all citizens to obtain a domicile certificate as proof of residence in a particular State or Union Territory.