FMCSA has created a learning center for all things related to the 2020 Drug & Alcohol Clearing House.  MAIN LEARNING CENTER: https://clearinghouse.fmcsa.dot.gov/Learn FACTSHEET: https://clearinghouse.fmcsa.dot.gov/Resource/Index/Portal-Factsheet REGISTRATION INSTRUCTIONS: https://clearinghouse.fmcsa.dot.gov/Resource/Index/Registration-Employer-Instructions ZIP FOLDER OF PRINT MATERIALS: https://aktrucks.org/wp-content/uploads/2019/12/fmcsa-clearing-house.zip