Important FMCSA Drug & Alcohol Clearinghouse Changes Ahead November 14, 2022 3:07 pm Published by Christine To access this post, you must purchase PHMSA Addendum to DER Training: Self-Guided. Tags: CDL drivers, FMCSA Clearinghouse Changes, FMCSA Clearinghouse Report, Pre-employment Categorised in: Feature, FMCSA, Industry News This post was written by Christine