The commission annually shall submit to the county councils and county executives of Montgomery County and Prince George's County a budget of its requirements for administrative expenses for the next ensuing year. There shall be included in the budget as an expense of the district, the Maryland share of the expenses of the Joint Commission to Consider Matters Relating to Passenger Carrier Facilities in the Washington Metropolitan Area, which joint commission has been empowered by joint resolution of the General Assembly of Maryland to negotiate an interstate compact between Maryland, Virginia and the District of Columbia dealing with transportation. The obligation of Montgomery and Prince George's Counties, after budget approval, to appropriate for the administrative budget of the commission shall be allocated equally between the counties. The budget shall be limited solely to the administrative expenses of the commission and shall not include any funds for construction or acquisition of transit facilities or performing of transit service. The respective governing bodies shall have the right to review and to approve in whole or in part the administrative budget of the commission, and the agreement of the governing bodies of both counties shall be necessary before the commission's administrative budget may be reduced. (Mont. Co. Code 1965, § 72-15; 1965, ch. 870, § 1; 1970, ch. 467, § 1; 1972, ch. 655, § 1; 1992, ch. 22, § 1.)