Spouse
Spouse - Any individual who is lawfully married (unless legally separated), including an individual married to a person of the same sex who was legally married in a state or other jurisdiction (including a foreign county), that recognizes such marriages, regardless of whether or not the individual's state of residency recognizes such marriages. The term spouse does not include individuals in a formal relationship recognized by a state, which is other than lawful marriage; it also does not include individuals in a marriage in a jurisdiction outside the United States that is not recognized as a lawful marriage under United States law.