FMVSS 206

Door Locks and Door Retention Components

This Standard applies to buses with a GVWR of 10,000 lbs. (4,536 kg.) or less and to all MPVs and trucks regardless of GVWR. It specifies requirements for side and back door locks and door retention components, including latches, hinges, and other supporting means, to minimize the likelihood of occupants being thrown from the vehicle as a result of impact.

Applicability:

Trucks & MPVs 10,000 GVWR or Less Yes
Trucks More than 10,000 GVWR Yes
Buses 10,000 GVWR or Less No 
Buses More than 10,000 GVWR No 
Trailers No 

Read the Complete Standard