S.L. 601.1 · General Financial Regulations (S.L. 601.1)
S.L. 601.1 Art. 64Reimbursement of expenses to public officers.
(1) Wherever public officers present claims in reimbursement of expenses incurred by them for the public service, sub-vouchers in the shape of actual receipts shall be produced.
(2) When sub-vouchers cannot be obtained the officer shall certify that the charges have been incurred solely for the public service and actually paid by the officer in line with current regulations.