42 U.S.C. § 2000bb-2 : US Code - Section 2000BB-2: Definitions

      As used in this chapter - 
        (1) the term "government" includes a branch, department,
      agency, instrumentality, and official (or other person acting
      under color of law) of the United States, or of a covered entity;
        (2) the term "covered entity" means the District of Columbia,
      the Commonwealth of Puerto Rico, and each territory and
      possession of the United States;
        (3) the term "demonstrates" means meets the burdens of going
      forward with the evidence and of persuasion; and
        (4) the term "exercise of religion" means religious exercise,
      as defined in section 2000cc-5 of this title.