CVOR Certificate Renewal & Decal Compliance
Regulation O.Reg 424/97 · Province of Ontario
§The Law
O.Reg 424/97 — Regulation O.Reg 424/97
“CVOR certificates should be kept current, and displayed markings must reflect the current CVOR number throughout the certificate period.”
View official regulation text✓Plain English
When you renew your CVOR, your truck markings don't change (the number stays the same), but your displayed information must always match your active certificate.
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Specific Requirements
CVOR certificate kept in vehicle
Markings must match active certificate
Replace decals if certificate number changes
Annual renewal required for most operators
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Ontario CVOR Door Decals
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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
- Jurisdiction
- 🏛 Province of Ontario
- Category
- Commercial Trucking Law
Source library
Confirm the current rule before relying on a marking
Our guides are a starting point for locating government sources connected to O.Reg 424/97 markings. Requirements can depend on jurisdiction, vehicle or site details, and the date you act.
- Open the linked official source and check its current version.
- Confirm the rule applies to your exact vehicle, vessel, property, or operation.
- Verify wording, dimensions, placement, and effective dates before ordering.
Compliance Certificate
Every order includes a printable Certificate of Material Compliance — ready for MTO, Transport Canada, or fire marshal inspection.
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