You must provide an agency-wide response to the GSA requested data elements. GSA will provide the list of data elements in a Federal Management Regulation (FMR) Bulletin. GSA coordinates all mail management related FMR bulletins with the Federal Mail Executive Council and updates them as necessary. FMR bulletins are available at: http://www.gsa.gov/bulletins.
41 C.F.R. §102-192.90