As an employer, you must provide to the STTs and BATs the name and telephone number of the appropriate DER (and C/TPA, where applicable) to contact about any problems or issues that may arise during the testing process.
This information was copied from a federal government resource. Always verify the accuracy of this information against the most recent version of the Code of Federal Regulations: https://www.ecfr.gov/current/title-49/subtitle-A/part-40 or the Office of Drug & Alcohol Policy & Compliance: https://www.transportation.gov/odapc.