49 CFR 554.4 - Office of Vehicle Safety Compliance.
The Office of Vehicle Safety Compliance, investigates compliance with Federal motor vehicle safety standards and associated regulations, and to this end may:
(c) Inspect manufacturers' certification test data and other supporting evidence, including dealer communications;
(d) Inspect vehicles and equipment already in use or new vehicles and equipment at any stage of the manufacturing, distribution and sales chain;
Title 49 published on 2014-10-01
no entries appear in the Federal Register after this date.