Reviewed by Lea D. Uradu Fact checked by Yarilet Perez What Is Per Diem? "Per diem," meaning "per day" in Latin,  refers to a ...
in some instances to the tune of 300% more than the approved government per diem rate and beyond what other guests were being ...
Though some expenses for Granholm's trip to promote EVs exceeded standard government rates, none surpassed maximum limits.