Section 15-301 - Definitions(a) In this subtitle the following words have the meanings indicated.(b) "Contract" means an agreement, commitment, or arrangement made between the Commission and a governmental unit to further the purposes stated in § 15-302 of this subtitle.(c) "Governmental unit" means:(1) the National Capital Planning Commission;(2) the United States government;(3) the District of Columbia;(4) the State, including the Washington Suburban Sanitary Commission;(6) Montgomery County or Prince George's County;(7) any municipal corporation, local subdivision, or corporation within the State, Virginia, Montgomery County, or Prince George's County; or(8) any other governmental agency the Commission determines to be appropriate to further the purposes stated in § 15-302 of this subtitle.