Administrative Code of 1987
Section 69. Subsistence. - No official or employee of the national government shall be given subsistence, the cost of which is payable from any fund, except the following and only when an appropriation therefor is specifically provided:
(1) Marine officers, engineers and crew of government vessels, launches, and motorboats, who shall take their meals on the mess when aboard the said vessels, launches, or motorboats;
(2) Lightkeepers and other employees in light stations duly authorized by the head of the department to receive subsistence, who shall be furnished raw canned, or preserved food supplies;
(3) Officials and employees who are required to render service within the premises of hospitals, penal institutions, leper institutions, military installations, and other similar institutions, for a continuous period that includes meal time, may be allowed full subsistence when required to live in said premises to make their services available at any and all times;
(4) Laborers temporarily fielded to isolated or unsettled districts shall be furnished the usual rations or the equivalent in cash, at the expense of the government.
In hospitals and leper institutions where there are no mess halls or whenever these are inadequate, personnel entitled to subsistence allowance in kind may commute such subsistence upon request of the personnel concerned subject to the approval of the department head at authorized rates chargeable against the appropriations for supplies and materials authorized in the General Appropriations Act.