Author: Alice Gilman. The General Services Administration (GSA) has announced the per diem rates that apply to the lower 48 Continental United States (CONUS) for the federal government's fiscal year (FY) 2016, which begins October 1, 2015.n FY 2016, there continue to be about 400 Non-Standard Areas (NSAs) that have per diem rates higher than the standard CONUS rate. For all locations within CONUS not shown on the list, the lodging per diem rate is $89 and the M&IE rate is $51.