D.C. Mun. Regs. tit. 19, r. 19-707
In accordance with the annual appropriations act, a portion of the trust fund shall be advanced as a revolving fund.
The revolving fund required by § 707.1 shall be maintained in a checking account in a commercial depository under the name of the Department.
Reimbursements to the revolving fund shall be deposited by the Department treasurer, and disbursements from the revolving fund shall be made only by check signed by the Department treasurer and countersigned by the Director of the Department of Parks and Recreation, or his or her designated representative.
All expenditures from the revolving fund shall require receipted invoices itemizing the merchandise purchased, and indicating the person making the purchase.
The receipted invoices required by § 707.4 shall be signed by a representative of the agency or firm supplying the merchandise. The title of the representative shall be shown on the invoice.
D.C. Mun. Regs. tit. 19, r. 19-707