(a) All domestic-domiciled employers must implement the requirements of this part on the date the employer begins commercial motor vehicle operations.
(b) All foreign-domiciled employers must implement the requirements of this part on the date the employer begins commercial motor vehicle operations in the United States.
Reproduced verbatim from the electronic Code of Federal Regulations (eCFR), the official U.S. government source. X3 Fleet Safety LLC is a compliance-services company, not a law firm; this page is regulatory reference, not legal advice. X3 is not affiliated with FMCSA or USDOT.