There is hereby continued the ambulance service provider Medicaid enhancement board to consist of seven members. In order to carry out the purpose of this article, this board shall represent ambulance service providers. The board shall consist of five ambulance service providers, one lay person and the secretary, or his or her designee, as an ex officio, nonvoting member. The Governor shall make all appointments within twenty days of the effective date of this article. After the initial appointment of the board, any appointment to fill a vacancy shall be for the unexpired term only, and the terms of all members shall expire on July 1, 1996.