52 U.S.C. § 20310

As used in this chapter, the term— (1) “absent uniformed services voter” means— (A) a member of a uniformed service on active duty who, by reason of such active duty, is absent from the place of residence where the member is otherwise qualified to vote; (B) a member of the merchant marine who, by reason of service in the merchant marine, is absent from the place of residence where the member is otherwise qualified to vote; and (C) a spouse or dependent of a member referred to in subparagraph (A) or (B) who, by reason of the active duty or service of the member, is absent from the place of residence where the spouse or dependent is otherwise qualified to vote; (2) “balloting materials” means official post card forms (prescribed under section 20301 of this title ), Federal write-in absentee ballots (prescribed under section 20303 of this title ), and any State balloting materials that, as determined by the Presidential designee, are essential to the carrying out of this chapter; (3) “Federal office” means the office of President or Vice President, or of Senator or Representative in, or Delegate or Resident Commissioner to, the Congress; (4) “member of the merchant marine” means an individual (other than a member of a uniformed service or an individual employed, enrolled, or maintained on the Great Lakes or the inland waterways)— (A) employed as an officer or crew member of a vessel documented under the laws of the United States, or a vessel owned by the United States, or a vessel of foreign-flag registry under charter to or control of the United States; or (B) enrolled with the United States for employment or training for employment, or maintained by the United States for emergency relief service, as an officer or crew member of any such vessel; (5) “overseas voter” means— (A) an absent uniformed services voter who, by reason of active duty or service is absent from the United States on the date of the election involved; (B) a person who resides outside the United States and is qualified to vote in the last place in which the person was domiciled before leaving the United States; or (C) a person who resides outside the United States and (but for such residence) would be qualified to vote in the last place in which the person was domiciled before leaving the United States. (6) “State” means a State of the United States, the District of Columbia, the Commonwealth of Puerto Rico, Guam, the Virgin Islands, and American Samoa; (7) “uniformed services” means the Army, Navy, Air Force, Marine Corps, and Coast Guard, the commissioned corps of the Public Health Service, and the commissioned corps of the National Oceanic and Atmospheric Administration; and (8) “United States”, where used in the territorial sense, means the several States, the District of Columbia, the Commonwealth of Puerto Rico, Guam, the Virgin Islands, and American Samoa.