Ontario CVOR Number Size — O.Reg 424/97 s.12
Regulation O.Reg 424/97 s.12 · Province of Ontario
§The Law
O.Reg 424/97 s.12 — Regulation O.Reg 424/97 s.12
“Ontario CVOR operators must carry the CVOR certificate in the vehicle; O.Reg 424/97 does not require exterior CVOR display.”
View official regulation text✓Plain English
Keep the CVOR certificate in the cab. Exterior CVOR references are professional fleet ID, not an Ontario display mandate.
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Specific Requirements
50mm (2") minimum character height
Both sides of power unit cab
Contrasting colour to background
Cab door or forward panel
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📚Sources & Authority
Every claim on this page is backed by official government legislation and verified industry sources. Last verified: March 2026.
🏛 Official Government Sources
Ontario Highway Traffic Act — Commercial Vehicles
Ontario.ca · March 2026
The HTA governs all commercial vehicle requirements in Ontario including CVOR registration, vehicle markings, and weight limits.
MTO CVOR Overview — Commercial Vehicle Safety
Ontario Ministry of Transportation · March 2026
CVOR registration requirements, safety rating system, and compliance monitoring for Ontario commercial vehicle operators.
🎓 Expert & Industry Sources
All sources are official government publications or recognized industry authorities. Links verified March 2026. If you find a broken link, let us know.
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Shop Trucking ComplianceOr call (289) 228-7021Regulation Quick Facts
- Regulation
- O.Reg 424/97 s.12
- Jurisdiction
- 🏛 Province of Ontario
- Category
- Commercial Trucking Law
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