Clearinghouse Services was incorporated in May of 2019 in anticipation of the start date of the required reporting to the FMCSA – January 6, 2020. Although the Clearinghouse will be operational starting January 6, 2020; FMCSA regulated employers with CDL drivers subject to DOT drug and alcohol testing requirements will still be required to perform manual (with paper) previous employer checks to cover preceding three years.