Carriers must maintain the following records for each commercial motor vehicle (including trailers) that they control for 30 consecutive days:
 
An identification of the vehicle including unit #, make, VIN, year, and tire size, as well as the person furnishing the vehicle (if not owned by the carrier);
A means to indicate the nature and due date of various inspection and maintenance operations performed;
A record of inspection, repairs, and maintenance indicating their nature and date; and
A record of tests conducted on pushout windows, emergency doors, and emergency door marking lights on buses.
 
This document is intended to satisfy these requirements and serves as a perfect cover sheet for each vehicle file.
 
Pertinent Regulation(s): 49 C.F.R. 396.3.