How Many Sick Days Can You Take Without a Doctor's Note in Ontario?
Under Ontario's Employment Standards Act (ESA), employers cannot require a medical certificate for the first 3 unpaid sick days per year. After that, employer policies vary. Many Ontario employers request documentation after 3 consecutive days of absence.
Ontario's ESA Sick Leave Rules (2026)
The Ontario Employment Standards Act provides employees with 3 unpaid sick days per year. For these 3 days, employers are explicitly prohibited from requiring a doctor's note or medical certificate. This was a deliberate policy decision to reduce unnecessary healthcare visits.
After Your 3 ESA Days
Once you've used your 3 ESA-protected sick days, your employer's internal policy takes over. Most Ontario employers have policies that require documentation for:
- Any absence beyond the 3 ESA days
- 2+ consecutive days off (common in retail/hospitality)
- 3+ consecutive days off (common in office/corporate)
- Pattern absences (e.g., always sick on Mondays/Fridays)
- Absences before or after a holiday weekend
Unionized Workplaces in Ontario
If you're covered by a collective agreement in Ontario, your sick leave provisions may be more generous than the ESA minimums. Many Ontario unions have negotiated 5-10 paid sick days with specific documentation thresholds written into the agreement.
The Practical Reality
Even though the ESA protects your first 3 days, many Ontario employees still get notes for protection. If you're in a probationary period, have had attendance issues, or work in a competitive environment, a $49 sick note provides peace of mind.
Get Your Note Fast
MedLetter provides official sick notes from CPSO-registered physicians within 6 hours. No clinic visit, no 3-hour wait at a GTA walk-in. $49 flat fee, accepted by all Ontario employers.