Va. Code § 30-250
The Commission shall annually adopt a budget, which shall include the Commission's estimated expenses for administration and operation. In establishing the annual current expense budget, the Commission shall balance total expenses against the Commission's estimate of revenues from all sources, either previously appropriated by a signatory state or receivable from any person or governmental agency by contract or grant with that person or governmental agency. The chairman of the Commission shall certify to the respective signatories, and submit to persons in other governmental agencies, statements of the amounts requested from them in accordance with existing cost-sharing established by this Agreement or by the parties. The chairman of the Commission shall transmit certified copies of such budgets to the principal budget officer of the respective signatory parties at such time and in such manner as may be required under their respective budgetary procedures.
Va. Code § 30-250