How Long Does a First Aid Certificate Last?

Most first aid certificates in Canada are valid for 3 years. BLS is the exception at 1 year. Here's everything you need to know about validity periods, recertification, and what happens if yours expires.

The quick answer

Canadian Red Cross first aid and CPR certificates are valid for 3 years from the date of issue. The one exception is BLS (Basic Life Support), which expires after 1 year.

The expiry date is printed on your certificate. Once it passes, the certificate is no longer valid — no grace period.

Validity periods by certification

The table below covers every certification we offer. Note the recert column — if a shorter renewal option exists, you can save time and money by recertifying before your certificate expires.

CertificationValid ForRecert?Recert Duration
Standard First Aid3 yearsYes1 day (8 hrs)
Emergency First Aid3 yearsYesHalf day (4 hrs)
CPR-C + AED3 yearsYes4 hours
BLS (Basic Life Support)1 yearYes4 hours
Marine Basic First Aid3 yrs (Red Cross) / 5 yrs (Transport Canada)NoFull retake
Marine Advanced First Aid3 yrs (Red Cross) / 5 yrs (Transport Canada)NoFull 4-day retake
First Responder3 yearsYes20 hours

What happens when your certificate expires

Once expired, your certificate is no longer recognized. There's no late renewal option and no way to extend it. You'll need to retake the full course — same duration, same cost as a first-time student.

For employers, this matters. If your workplace requires certified first aiders under Nova Scotia OHS regulations, an expired certificate means you're technically out of compliance.

The fix is simple: recertify before the expiry date. Set a reminder for 2–3 months out so you have time to find a class that fits your schedule.

Recertification vs. full course — what's the difference?

Recertification is a shorter, less expensive course designed for people whose certificate is still valid. It refreshes your skills and issues a new 3-year certificate (or 1-year for BLS).

Here's how they compare:

  • Recertification: Shorter duration, lower cost, skills review + exam. Requires a valid (unexpired) certificate.
  • Full course: Complete training from scratch. Required if your certificate has already expired or if you've never been certified.

Example: A Standard First Aid recert is 1 day. The full course is 2 days. That's a full day of training and a significant cost difference — good motivation to stay on top of your expiry date.

Why BLS expires after 1 year

BLS (Basic Life Support) is built for healthcare providers — nurses, paramedics, dental professionals, and anyone working in clinical settings. The skills it covers (pulse checks, bag-valve-mask ventilation, team-based resuscitation) need to stay sharp.

Research shows that CPR skill proficiency drops significantly after just a few months. The 1-year renewal cycle ensures healthcare workers are practising current techniques based on the latest guidelines.

Marine first aid: dual validity explained

Marine first aid courses (Basic and Advanced) have two different validity periods because they're recognized by two different bodies:

  • Canadian Red Cross: Certifies your first aid skills. Valid for 3 years.
  • Transport Canada: Recognizes the certificate for regulatory compliance aboard vessels. Valid for 5 years.

In practice, your Transport Canada recognition remains valid even after the Red Cross certificate expires — but only until the 5-year mark. There's no recertification option for marine courses. When either validity runs out, you retake the full course.

Marine Advanced is a 4-day course, so plan ahead. Don't wait until the last minute.


Tips to stay current

  • Check the expiry date on your certificate right now — it's on the front.
  • Set a calendar reminder for 3 months before it expires.
  • Book a recertification course while your certificate is still valid to save time and money.
  • If you hold BLS, factor in annual renewal — many healthcare employers require it.

Time to renew?

Check our upcoming dates for recertification courses, or book a full course if yours has already expired.