The hype around the legalization of marijuana in Canada is becoming a reality. On June 20, 2018, Prime Minister Trudeau announced the legalization of recreational marijuana effective October 17, 2018, making Canada the first G7 country to legalize marijuana for recreational use. According to Health Canada, the use of marijuana in Canada has increased in recent years.

While the legalization of marijuana has been highly anticipated, employers must ensure that they are prepared for the transition. This involves examining workplace policies to address the use and influence on workers of recreational marijuana in the workplace.

This leads to important questions: do employees now have an absolute right to use marijuana in the workplace, and are employers bound to let them do so?

The Human Rights Tribunal of Ontario (HRTO) rendered a decision earlier this year regarding the use of medical marijuana in the workplace, in the case of Aitchison v L & L Painting and Decorating Ltd. Mr. Aitchison worked as a seasonal painter of high-rise buildings, and used marijuana to help cope with this chronic neck and back pain, but never raised the issue of accommodation with his employer. In June 2015, Mr. Aitchison was working on a high-rise building and was observed smoking marijuana on a swing set at the 37th floor. Mr. Aitchison was subsequently dismissed for breaching the employer's "zero tolerance" smoking policy. Mr. Aitchison contested the termination on the grounds of the employer's unwillingness to accommodate. There were a number of considerations that weighed in favour of the employer, which were crucial to the decision. The HRTO decided that Mr. Aitchison would never have been prescribed medical marijuana for use at work had his treating physician been aware of the safety-sensitive nature of his job. Moreover, accommodating Mr. Aitchison would have placed an undue hardship on the employer given the safety-sensitive nature of the work he performed. Finally, Mr. Aitchison was aware of the zero-tolerance policy when he breached it. The Tribunal therefore held that the workplace policy was reasonable and non-discriminatory.

The decision confirmed that employees do not have an absolute right to use marijuana, medical or otherwise, in the workplace, and employers still have the right to implement policies, so long as they consider their duties regarding accommodation under the Ontario Human Rights Code.

The legalization of recreational marijuana will not give employees the right to freely use marijuana in the workplace or to be under its influence. Employees are still expected to show up to work sober and to be able to safely complete their assigned tasks. Where the use of marijuana has an adverse impact on job performance, employees may still be subject to disciplinary measures.

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