CVOR Number Placement — Both Sides of Power Unit
Regulation O.Reg 424/97 · Province of Ontario
§The Law
O.Reg 424/97 — Regulation O.Reg 424/97
“The CVOR number must be displayed on both sides of the power unit of a commercial motor vehicle.”
View official regulation text✓Plain English
Your CVOR number must appear on the left AND right sides of your truck cab — one side is not enough for MTO compliance.
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Specific Requirements
Required on both sides of power unit
Not required on trailer
Must be visible from roadway
Same size on both sides
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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
What if O.Reg 424/97 changes next year?
Laws change. When they do, your decal becomes non-compliant overnight. Annual Compliance Plan monitors 150+ Canadian regulations weekly — the moment text changes, a replacement ships to you at $0.
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Compliance Certificate
Every order includes a printable Certificate of Material Compliance — ready for MTO, Transport Canada, or fire marshal inspection.
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