Compliance Lettering Minimum Size Reference — Canada
Regulation O.Reg 424/97 + SOR/2010-91 + CARs · Canada
§The Law
O.Reg 424/97 + SOR/2010-91 + CARs — Regulation O.Reg 424/97 + SOR/2010-91 + CARs
“Different Canadian regulations specify different minimum letter heights: CVOR 50mm, PCL 75mm, USDOT 50mm, aircraft 30cm, drones 25mm.”
View official regulation text✓Plain English
Quick reference: CVOR truck markings 50mm (2"), PCL boat number 75mm (3"), USDOT 50mm (2"), aircraft C-XXXX 30cm (12"), drone registration 25mm (1").
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Specific Requirements
CVOR / USDOT — 50mm (2") minimum
PCL number — 75mm (3") minimum
Aircraft registration — 30cm (12") minimum
Drone label — 25mm (1") minimum
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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.
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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- Regulation
- O.Reg 424/97 + SOR/2010-91 + CARs
- Jurisdiction
- 🇨🇦 Canada
- Category
- Compliance Materials Standards
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