For the purposes of this subchapter:
(1) The definitions set forth in § 1-603.01, shall apply.
(2) "District government" means the government of the District of Columbia, including:
(A) Any department, agency, or instrumentality of the government of the District;
(B) Any independent agency of the District established under part F of subchapter IV of Chapter 2 of this title;
(C) Any agency, board, or commission established by the Mayor or the Council and any other agency, public authority, or public benefit corporation which has the authority to receive monies directly or indirectly from the District (other than monies received from the sale of goods, the provision of services, or the loaning of funds to the District); and
(D) The Council.
(3) "Highly compensated appointee" means an individual appointed to a position in the Career, Educational, or Management Supervisory Service, except for individuals appointed to a position as an employee of the Board of Trustees of the University of the District of Columbia, for which the starting annual salary is not less than $150,000 or the threshold figure established by the relevant personnel authority pursuant to § 1-515.03(c).