Ontario – Technical Standards & Safety Authority (TSSA)

TSSA is a not-for-profit fiscally independent appointed regulator of pressure equipment for the province of Ontario. Its board of directors is appointed by the Minister of Consumer and Commercial Affairs.  The following are some of the documents essential to understand before constructing or selling any non-exempt pressure equipment or systems in Ontario.  These documents contain some information on applicability of regulations and exemptions.

Act: Technical Standards & Safety Act, 2000

Regulation: O.REG.220 , TSSA Modification of regulation

Minister’s exemption

Director’s order

Consult the legislation and regulation section of the TSSA.org website for more comprehensive and up-to-date information.

Users are reminded that the above synopsis is only a brief outline or distillation of a specific jurisdiction’s laws, rules, and regulations. In order to avoid misinterpretation of the data or failing to address the regulatory nuances of an individual jurisdiction, or updates or outdated information herein, users are advised to consult the jurisdiction’s chief inspection officer before reaching any decision that may have critical consequences. Titan Research group, its affiliates, and employees assume no liability for the use or misuse of the information herein. See also terms of use.


The TSSA is required to implement the Techinical Standards and Safety Act and directions, yet they likewise elevate and uphold activities to consistently enhance wellbeing. The association goes about as botha controller and a promoter of security guidelines all through the region.