(a) Any supplementary agreement entered into pursuant to Article VI of the Southern States Energy Compact, § 15-10-401, and requiring the expenditure of funds or the assumption of an obligation to expend funds shall not become effective as to this state prior to the making of an appropriation for it by the General Assembly.
(b) Provided, that with respect to the payment of this state's share of the budget of expenditures for the maintenance of the Southern States Energy Board as provided in Article III(b) of the Southern States Energy Compact, § 15-10-401, the Governor, in the absence of a specific legislative appropriation for the purpose, may use such appropriations as are made available to him or her for emergency expenditures.