The legislative council shall provide administrative and other services to the Joint Armed Services Committee. Within the limits of the amounts made available to the committee by the legislative council, the committee may make expenditures and enter into contracts to carry out the purposes of AS 24.20.650 - 24.20.675. Contracts must be approved by a majority of the members of the committee and are otherwise subject to procedures adopted by the legislative council under AS 36.30.020.