Notice – New edition of CAN/CGSB-43.123 is published

A new edition of the following standard has been developed by the Canadian General Standards Board (CGSB) Technical Committee and was published in April 2022:

CAN/CGSB-43.123 “Aerosol Containers and Gas Cartridges for Transport of Dangerous Goods”.

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Coming into force

Stakeholders must comply with the 2022 edition of CAN/CGSB 43.123, but in accordance with Section 1.3.2 of the Transportation of Dangerous Goods Regulations, the previous version of the document (2017 edition) may be complied with during the transitional period of six months ending on October 31, 2022.

Most notable changes

The most notable changes that appear in the new edition of this standard are summarized below:

  • alignment with the 21st edition of the United Nations Recommendations on the Transport of Dangerous Goods - Model Regulations (Orange Book) and Title 49 of the Code of Federal Regulations of the United States (as amended from time to time).
  • addition of specification requirements for the new TC-2P2 specification for gas cartridges intended to be used for liquified petroleum gases.
  • addition of specification requirements for the new TC-2P1 and TC-2Q2 specifications intended to be used for foodstuffs and soaps.
  • addition of reciprocity for DOT-2P1 and DOT-2Q2 specifications.
  • revision of requirements for the transport of aerosol containers and gas cartridges intended for disposal or recycling.

Accessing the new standards

The standard may be obtained free of charge from:

Canadian General Standards Board
Sales Centre
Gatineau, Canada K1A 1G6

Telephone: 819-956-0425
Toll free: 1-800-665-2472
Fax: 819-956-5740

Website: Public Services and Procurement Canada

Obtain a copy of standard CAN/CGSB 43.123.

The standard may also be obtained from:

Government of Canada Publications
Publishing and Depository Services
Public Services and Procurement Canada
Ottawa, ON, K1A 0S5

Telephone: 613-941-5995
Toll free: 1-800-635-7943
Fax: 1-800-565-7757 or 613-954-5779.

Website: Government of Canada Publications

Participating in the development of future editions of these standards

Individuals and organizations interested in participating and contributing in the development of future editions of the standard are encouraged to contact the CGSB by any of the means below.

Canadian General Standards Board
Gatineau, Canada K1A 1G6

Website: Public Services and Procurement Canada
Telephone: 1-800-665-2472

Contact us

Stakeholders may submit questions to Transport Canada regarding the new edition of CAN/CGSB 43.123 by sending an email to

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