For purposes of this rule, a tribal member residing on tribal land is a Maine resident individual, as that term is defined by 36 M.R.S. §5102(5). This section provides guidance to assist in making a determination as to whether an individual is, for the taxable year, a tribal member residing on tribal land.
Maine Revenue Services considers all of an individual's relevant facts and circumstances allowed by Maine law to determine the domicile of an individual. Although an individual's intent to remain or return is a critical factor in determining domicile, an individual's statement as to intent is not necessarily determinative. Evidence of an individual's intent may be found in many decisions made by the individual. An individual may retain the right to make decisions that determine his or her domicile, even though that individual is considered incapable of making, or chooses not to make, other decisions, such as health care choices or financial decisions. Actions by a person responsible for an incapacitated individual's affairs may be considered when determining the incapacitated individual's intent to remain. When a guardian has been appointed and chooses the incapacitated individual's place of abode pursuant to authority as a guardian, the intent of the guardian for the individual to remain or return to a particular location becomes a factor in the determination of the incapacitated person's domicile. Evidence of the guardian's intent may be found in relevant statements and actions.
18-125 C.M.R. ch. 825, § 02