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New WHMIS 2015 Transition Timelines for Suppliers


On Friday May 19, 2017, Health Canada announced that they are delaying two of the WHMIS 2015 transition timelines. The two new deadline dates affect suppliers who are manufacturers and importers, and suppliers who are distributors and those who import for their own use.

  • Suppliers who are manufacturers and importers now have until June 1, 2018 to comply with the Hazardous Products Regulations (HPR). The deadline of June 1, 2017 has been delayed by one year to June 1, 2018.
  • The second deadline of June 1, 2018 has been delayed by three months to September 1, 2018. This deadline is for suppliers who are distributors and those who import for own use.
  • The deadline for employers has not been changed. It remains December 1, 2018.

For information on employer WHMIS requirements set out by federal, provincial and territorial occupational health and safety agencies, contact the agency in your jurisdiction. Specific WHMIS requirements for any jurisdiction can also be found at

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