Gsa Per Diem 2024 Rates Washington State. Per diem rates gsa establishes the rates that federal agencies use to reimburse their employees for lodging and meals and incidental expenses incurred while on official travel. In washington, the general services administration decides the per diem rates on a monthly basis for all counties.

Entering the first letter of the country name will jump to that portion of the listing. Washington — today, the u.s.