2 USC 1881 – Definitions
In this subchapter—
(1) the term “Capitol-flown flag” means a flag of the United States flown over the Capitol in honor of the deceased individual for whom the flag is requested;
(2) the terms “chaplain”, “firefighter”, “law enforcement officer”, “member of a rescue squad or ambulance crew”, and “public agency” have the meanings given such terms in section 10284 of title 34;
(3) the term “immediate family member”, with respect to an individual, means—
(A) the spouse, parent, brother, sister, or child of the individual or a person to whom the individual stands in loco parentis; or
(B) any other person related to the individual by blood or marriage;
(4) the term “public safety officer” means an individual serving a public agency in an official capacity, with or without compensation, as a law enforcement officer, as a firefighter, or as a chaplain; and
(5) the term “Representative” includes a Delegate or Resident Commissioner to the Congress.