# Directives
1 - National - CPL 02-01-030 [CPL 2-1.30] - Chocking of Tractor Trailer under the Powered Industrial Truck Standard - PDF
2 - National - STD 01-11-007 [STD 1-11.7] - 29 CFR 1910.178(k)(1) and (m)(7): Mechanical Means to Secure Trucks or Trailers to a Loading Dock
# Regulations
1 - 1910.178(m)(7) - Powered industrial trucks.
# Standard Interpretations
1 - 1910.178(m)(7) - Clarification of OSHA's authority to enforce wheel chocking of commercial motor vehicles and related safety hazards at loading facilities.
2 - 1910.178(m)(7) - Chocking requirements for trailers docked to buildings with downward approaches.
3 - 1910.178(m)(7) - Chocking of trailers at United States Postal Service facilities.
4 - 1910.178(m)(7) - Clarification of OSHA's CPL 2-1.30 regarding tractor trailer chocking.
5 - 1910.178(m)(7) - Trailer trucks must be restrained/chocked during forklift dock operations.