Per Diem Rates 2024. With everything costing more these days than it did even just a few years ago, some federal employees may be. The notice is effective for any per diem allowance paid for lodging, meal, and incidental expenses after october 1, 2024, the beginning of the u.s.

The gsa defines per diem rates for lodging, meals, and incidental expenses (m&ie). July 2024 per diem rates.