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Public Review

The Standards Council of Canada requires all proposed standards be made available for a 60-day public review during the development process, allowing input from interested parties.

These documents are issued for the purpose of generating critical review and comment. The application of material contained in these documents for other purposes, such as its use in judging a product for compliance with current requirements or determining future product needs, would be premature and could be misleading.

To view these documents and submit your comments,
create a ULC CSDS user account and Follow the Standard(s).

Have questions, need help? Contact us.


ANSI/CAN/UL/ULC 180, Standard for Combustible Liquid Tank Accessories

The Proposed Revision to the Ninth Edition of ANSI/CAN/UL/ULC 180, Standard for Combustible Liquid Tank Accessories, has been submitted to the UL Standards Technical Committee for Portable Fire Extinguishers for ballot approval and to others interested for comment.

Date Posted: September 23, 2022
Date Due: November 22, 2022


CAN/ULC S627, Standard for Space Heaters for Use with Solid Fuels
The Proposed Revision to the 4th Edition of CAN/ULC S627, Standard for Space Heaters for Use with Solid Fuels, has been submitted to the ULC Standards Technical Committee for Factory-built Fireplaces, Chimneys and Vents for ballot approval and to others interested for comment.

Date Posted: October 7, 2022
Date Due: October 23, 2022


ANSI/CAN/UL/ULC 25, Standard for Meters for Flammable and Combustible Liquids and LP-Gas
The proposed revision to the tenth edition of ANSI/CAN/UL/ULC 25, Standard for Meters for Flammable and Combustible Liquid and LP-Gas, has been submitted to the UL Standards Technical Committee on Meters for Flammable and Combustible Liquids and LP-Gas for approval by ballot and to other interested parties for comment.

Date Posted: November 11, 2022
Date Due: January 10, 2023


CAN/ULC S573, Standard for Installation of Ancillary Devices Connected to Fire Alarm Systems
The proposed reaffirmation and continuance of the first edition of CAN/ULC S573, Standard for Installation of Ancillary Devices Connected to Fire Alarm Systems has been submitted to the ULC Technical Committee on Installation, Inspection and Verification of Fire Alarm Systems for approval by ballot and to other interested parties for comment.

Date Posted: January 27, 2023
Date Due: March 28, 2023