Sept. 19, 2018 OPM launches 2018 Combined Federal Campaign with an Enhanced Online Donation System The U.S. Office of Personnel Management, or OPM, announces the start of the 2018 Combined Federal Campaign season, which runs from Sept.10 through Jan. 11, 2019. The 2018 CFC season will feature an enhanced CFC Online Donation System (https://cfcgiving.opm.gov/welcome) that increases transparency