Per Diem 2024 Columbia Md. There are a limited number of rooms available at the government per diem rate. In maryland, the general services administration decides the per diem rates on a monthly basis for all counties.
Click on any county for a detailed breakdown of the per diem rates. 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.