8 U.S.C. § 1101(a)(14) (2010) (Title 8—Chapter 12: Immigration and Nationality)
(a) As used in this Act—
(14) The term "foreign state" includes outlying possessions of a foreign state, but self-governing dominions or territories under mandate or trusteeship shall be regarded as separate foreign states.
28 U.S.C. § 1603(a) (2010) (Title 28—Chapter 97: Jurisdictional Immunities of Foreign States)
For purposes of this chapter [28 U.S.C. §§ 1602 et seq.]—
(a) A "foreign state", except as used in section 1608 of this title [28 U.S.C. § 1608], includes a political subdivision of a foreign state or an agency or instrumentality of a foreign state as defined in subsection (b).