To facilitate the implementation of an early intervention services system and to ensure compliance with federal requirements, the Governor shall appoint a lead agency. The duties of the lead agency shall include:

1. Promulgating regulations and adopting the policies and procedures as necessary to implement an early intervention services system and assure consistent and equitable access to such services, including, but not limited to, uniform statewide procedures on or before January 1, 2002, for public and private providers to determine parental liability and to charge fees for early intervention services in accordance with federal law and regulations, in consultation with other participating agencies; the regulations shall be adopted in accordance with the provisions of the Administrative Process Act (§ 2.2-4000 et seq.);