Section 20

All purchases of fuel shall be made on the prescribed form and from service stations on a retail basis wherever possible. The name of the contracted supplier of fuel to Government shall be notified by circular from time to time. The form of the certificate to be given by an Accounting Officer on the duplicate payment voucher to support the duty free entry for purchases of fuel by Government departments required for Customs purposes and referred to in paragraph 31 of Appendix III of the Control of Public Expenditure Handbook shall be“I hereby certify that the ………….………………..…………. Ministry/ Department has purchased for use of Government services the following quantities of fuel: —Gasoline —U.S. gallons, Diesel Oil —U.S. gallons, Kerosene —U.S. gallons.”