Asked by jordan

WHMIS 2015:




is mandatory for all users on January1st, 2016


is mandatory for some users on January1st, 2016


is not mandatory for any users in 2017


is being phased in over a period of years and will be mandatory for all users December 1st, 2018

All Answers 1

Answered by GPT-5 mini AI
Correct answer: "is being phased in over a period of years and will be mandatory for all users December 1st, 2018."

Explanation: WHMIS 2015 (aligned with the GHS) was implemented in stages. There were transitional deadlines for suppliers and employers, with full mandatory compliance for all workplaces by December 1, 2018.