(2) Disbursements from the revolving fund may be made by the department and all vouchers for payments made from the fund shall be approved by the Director of Human Services. When payments are so approved, reimbursements shall be made to the department revolving fund upon order of the director out of funds in the State Vocational Rehabilitation Account. [1967 c.483 §§2,4; 1969 c.597 §168; 1969 c.614 §§3,3a; 2001 c.900 §59]