20 C.F.R. § 416.216
(a) General rule. For purposes of this part, overseas means any location outside the United States as defined in § 416.215; i.e., the 50 States, the District of Columbia and the Northern Mariana Islands. You may be eligible for SSI benefits if you live overseas and if—
(b) Living with. You are considered to be living with your parent who is a member of the armed forces if—
[58 FR 4897, Jan. 19, 1993; 58 FR 9597, Feb. 22, 1993, as amended at 59 FR 41400, Aug. 12, 1994. Redesignated at 61 FR 10277, Mar. 13, 1996; 70 FR 61366, Oct. 24, 2005]