How long is a workplace first aid certificate (CNESST, 16 h) valid in Québec?
It is valid for 36 months, and when it expires the full 16-hour course must be taken again in full, because there is no shortened refresher.
Last verified: reference compiled on 15 September 2026.
The detail
Its expiry is calculated: 36 months after it is obtained. The reference classes this term as set by regulation.
Issuing body listed: CNESST (recognized training provider).
No shortened refresher: when it expires, the full 16-hour course is taken again in full. That is the CNESST’s rule, not a training provider’s preference.
Sources
- 36 months, no shortened refresher — Source : CNESST —
www.cnesst.gouv.qc.ca/en/prevention-and-safety/first-aid-workplace/first-aid-workplace-training
To be confirmed with the issuing body. Rules change, and these answers restate Remanso’s reference as of its verification date. The issuing body is the authority: confirm the term and the conditions with it before relying on them.
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