The said joint commission shall not proceed to exercise or carry out any authority or power herein or hereby given it to bind the Commonwealth of Pennsylvania, beyond the extent to which the Commonwealth of Pennsylvania shall have appropriated or made available to said joint commission the moneys herein appropriated as the share of the Commonwealth of Pennsylvania. Said moneys contributed or made available by the Commonwealth shall be disbursed to said joint commission by the State Treasurer on warrants to be drawn by the joint commission on the Auditor General and payable on vouchers submitted to him by the joint commission.
36 P.S. § 3395