All disbursements made by the Department for salaries, expenses and other purposes, as are by law permitted, shall be paid by the State Treasurer, to the extent there is money legally available to the Department, upon vouchers issued by the proper officers, designated by the Department, and approved by the Auditor of Accounts.

37 Del. Laws, c. 48, § ?1; 38 Del. Laws, c. 147, § ?1; Code 1935, § ?2807; 42 Del. Laws, c. 77, § ?1; 7 Del. C. 1953, § ?115; 57 Del. Laws, c. 739, § ?22; 70 Del. Laws, c. 275, § ?13;