Originally Posted by
Kevin AA
A per diem for lodging makes no sense. How hard is it to process one receipt for one stay, whether it's one night or multiple nights? It's one piece of paper. The admin overhead can't be anywhere near the cost of a hotel. Meals are a completely different thing, with three a day, and small amounts.
At least for US taxpayers, it is not permissible. Housing may be reimbursed at cost. Food (and incidentals) may be reimbursed on a per diem basis.