(2) The amounts credited and transferred to the Department of Revenue Administration Account shall not be greater than the total of any budget approved for the department by the Legislative Assembly and shall be determined by the costs of the administrative, supervisory, legal and review services provided the respective divisions and agencies within the department. All moneys appropriated, credited or transferred to the Department of Revenue Administration Account are appropriated continuously to pay the administrative expenses of the department. [1969 c.520 §48]