(a) Definitions Relating to Persons.—In this subchapter and subchapter II:

(1) The term "administering Secretary" or "administering Secretaries" means the following:

(A) The Secretary of Defense, with respect to the armed forces (including the Coast Guard when it is operating as a service in the Navy).

(B) The Secretary of Homeland Security, with respect to the Coast Guard when it is not operating as a service in the Navy.

(C) The Secretary of Commerce, with respect to the National Oceanic and Atmospheric Administration.

(D) The Secretary of Health and Human Services, with respect to the Public Health Service.

(2) The term "authorized traveler" means a person who is authorized travel and transportation allowances when performing official travel ordered or authorized by the administering Secretary. Such term includes the following:

(A) A member of the uniformed services.

(B) A family member of a member of the uniformed services.

(C) A person acting as an escort or attendant for a member or family member who is traveling on official travel or is traveling with the remains of a deceased member or as an escort or attendant for dependents of a member for necessary travel performed not later than one year after the member is unable to accompany the dependents who are incapable of traveling alone.

(D) A person who participates in a military funeral honors detail.

(E) A Senior Reserve Officers' Training Corps cadet or midshipman.

(F) An applicant or rejected applicant for enlistment.

(G) Any person whose employment or service is considered directly related to a Government official activity or function under regulations prescribed under section 464 of this title.

(H) Any other person not covered by subparagraphs (A) through (G) who is determined by the administering Secretary pursuant to regulations prescribed under section 464 of this title as warranting the provision of travel benefits for purposes of the following:

(i) Transportation of survivors to attend burial services or transfer of deceased members after death overseas as provided in section 481f of this title.

(ii) Transportation of designated individuals incident to the hospitalization of members as provided in section 481h of this title.

(iii) Transportation of designated individuals incident to the repatriation of members as provided in section 481j of this title.

(iv) Transportation of non-medical attendants as provided in section 481k of this title.

(v) Transportation of designated individuals to attend Yellow Ribbon Reintegration Program events as provided in section 481l of this title.

(vi) Transportation of a person with regard to a single event when the administering Secretary determines that the travel is necessary to ensure fairness and equity, respond to emergency or humanitarian circumstances, or serve the best interests of the Government.

(3) The term "family member", with respect to a member of the uniformed services, means the following:

(A) A dependent, as defined in section 401(a) of this title.

(B) A child, as defined in section 401(b)(1) of this title.

(C) A parent, as defined in section 401(b)(2) of this title.

(D) A sibling of the member.

(E) A former spouse of the member.

(b) Definitions Relating to Travel and Transportation Allowances.—In this subchapter and subchapter II:

(1) The term "official travel" means the following:

(A) Military duty or official business performed by an authorized traveler away from a duty assignment location or other authorized location.

(B) Travel performed by an authorized traveler ordered to relocate from a permanent duty station to another permanent duty station.

(C) Travel performed by an authorized traveler ordered to the first permanent duty station, or separated or retired from uniformed service.

(D) Local travel in or around the temporary duty or permanent duty station.

(E) Other travel as authorized or ordered by the administering Secretary.

(2) The term "actual and necessary expenses" means expenses incurred in fact by an authorized traveler as a reasonable consequence of official travel.

(3) The term "travel allowances" means the daily lodging, meals, and other related expenses, including relocation expenses, incurred by an authorized traveler while on official travel.

(4) The term "transportation allowances" means the costs of temporarily or permanently moving an authorized traveler, the personal property of an authorized traveler, or a combination thereof.

(5) The term "transportation-, lodging-, or meals-in-kind" means transportation, lodging, or meals provided by the Government without cost to an authorized traveler.

(6) The term "miscellaneous expenses" means authorized expenses incurred in addition to authorized allowances during the performance of official travel by an authorized traveler.

(7) The term "personal property", with respect to transportation allowances, includes baggage, furniture, and other household items, clothing, privately owned vehicles, house trailers, mobile homes, and any other personal items that would not otherwise be prohibited by any other provision of law or regulation prescribed under section 464 of this title.

(8) The term "relocation allowances" means the costs associated with relocating a member of the uniformed services and the member's dependents between an old and new temporary or permanent duty assignment location or other authorized location.

(9) The term "dislocation allowances" means the costs associated with relocation of the household of a member of the uniformed services and the member's dependents in relation to a change in the member's permanent duty assignment location ordered for the convenience of the Government or incident to an evacuation.