Prompt settlement of claims against the Government

159. All charges incurred must be paid and drawn at once, and under no circumstances may they be allowed to stand over to be paid from the appropriation of another year. If possible, expenditure should be postponed till the preparation of a new budget has given the opportunity for making provision, and till the sanction of that budget has supplied means, but on no account may charge be actually incurred in one year and thrown on the appropriation of another year.