Currently in force:

Date published:
November 2020 (English and French)

Amendments in force:

Previous edition:

Upcoming edition / amendment:
A new edition of the Standard is currently under development.

What is the scope of the standard?

The CSA B622 standard sets out the requirements for selection and use, handling, filling and unloading of highway tanks and TC portable tanks for transportation of dangerous goods in Class 2.

Where is the standard referenced in the TDG Regulations?

Section 5.10 of the TDG Regulations specifies that a means of containment in accordance with CSA B622 is a permitted container for the transport of dangerous goods in Class 2 (gases) by road or by ship.

How do I view the standard for free?

The CSA Group has launched an online platform that allows registered users free access to Transportation of Dangerous Goods (TDG) safety standards published by CSA Group referenced in federal TDG regulations. Users can now log into Communities of Interest and register to find the TDG View Access site at https://community.csagroup.org/community/ohs/tdg-standards-view-access#.

How do I obtain a copy of the standard?

A copy of this standard can be obtained from the Canadian Standards Association (CSA).

When does the 2020 version of CSA-B622 come into effect?

This standard has come into effect 19 November 2020 but the regulatory amendment provides a period of transition that allows a person to comply with the 2014 standard until 31 May 2021.

What is the status of the next edition?

The CSA Technical Committee on the B622 standard is continuously working on the next edition of the standard.

Where can I obtain more information?

For more information on matters pertaining to CSA B622, please contact a means of containment specialist by email at tdgcontainers-tmdcontenants@tc.gc.ca. Include the text "Highway Tanks" in the subject line.

Quick Links

FAQ on Highway Tanks (tank trucks and trailers) and TC Portable tanks

The FAQ on Highway Tanks (tank trucks and trailers) and TC Portable tanks includes information on the requirements for highway tanks (tank trucks and trailers) and TC portable tanks as well as the requirement to be registered by Transport Canada to manufacture, assemble, modify, repair, inspect or test highway or portable tanks.

Highway and TC Portable Tanks Registered Facilities

Search the TDG database for facilities registered by Transport Canada pursuant to CSA B620 for manufacture, assembly, modification, repair, inspection and testing, and mobile inspection and testing of highway and TC portable tanks.

CSA B620

Information on CSA B621 (the CSA standard on "Highway tanks and TC portable tanks for the transportation of dangerous goods").

CSA B621

Information on CSA B621 (the CSA standard on "Selection and use of highway tanks, TC portable tanks, and other large containers for the transportation of dangerous goods, Classes 3, 4, 5, 6.1, 8, and 9").