Partnering for a safe Ontario
TSSA enhances safety in Ontario through engagement, evidence, enforcement and education.
Microsoft Service Outage
TSSA customer portals are currently experiencing some functionality issues due to an ongoing Microsoft service outage. Some features may be temporarily unavailable or not working as expected. Normal functionality is expected to resume once Microsoft resolves the issue. We apologize for the inconvenience and appreciate your patience and understanding.
What is TSSA?
Technical Standards and Safety Authority is Ontario’s public safety regulator for Elevating & Amusement Devices, Ski Lifts, Fuels, Boilers & Pressure Vessels and Operating Engineers.
Access the TSSA Portal
Pay an invoice or submit and pay for an application through TSSA’s client portals.
Newsroom
See all News in the Newsroom
Carbon Monoxide Awareness Week: Doubling-up for CO Safety
Press release
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Fuels - All
Nov 02, 2026
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Microsoft Service Outage - Impact on Customer Portals
TSSA News , All Industries
Nov 12, 2026 -
Join TSSA's Webinar on Grocery Store Refrigeration Requirements & Registration Updates
Regulatory Updates , Operating Engineers
Nov 12, 2026 -
A Hamilton Fuel Worker Fined $22,500 for Performing Gas Work Without Required Contractor Registration
Enforcement , Fuels - All
Nov 02, 2026