Ontario GVW Marking Requirements — O.Reg 424/97 s.13
Regulation O.Reg 424/97 s.13 · Province of Ontario
§The Law
O.Reg 424/97 s.13 — Regulation O.Reg 424/97 s.13
“The registered gross vehicle weight should be displayed on both sides of the power unit of a commercial motor vehicle.”
View official regulation text✓Plain English
Your truck generally display its registered GVW rating on both sides of the cab. This helps MTO quickly verify load compliance.
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Specific Requirements
GVW display — confirm requirements with MTO (O.Reg 424/97)
Must match CVOR registration
Legible from roadway
No minimum exterior CVOR letter height in Ontario regulation
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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.13
- 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 s.13 markings. Requirements can depend on jurisdiction, vehicle or site details, and the date you act.
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- Confirm the rule applies to your exact vehicle, vessel, property, or operation.
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