Increases the maximum rates of per diem and actual subsistence allowances and the mileage allowances for Federal employees on official travel.
Requires the Administrator of General Services: (1) to collect, by fiscal year, certain information concerning the causes, purposes, and costs of official travel and the efficiency of travel practices of each Federal agency which spends more than $5,000,000 annually for travel expenses; and (2) to report such information to Congress on specified dates for each of fiscal years 1979, 1980, and 1981.