The Field Guide
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MTO Out-of-Service Orders and Lettering

Do not claim missing Ontario CVOR door lettering triggers an out-of-service order. The verified Ontario CVOR rule is to carry the certificate in the cab.

Verified Position

Ontario O.Reg 424/97 does not require exterior CVOR display, 50 mm CVOR lettering, permanent door lettering, or a specific fine for missing CVOR decals.

What We Sell Truthfully

Professional company names, unit IDs, CVOR references, GVW-style text, and USDOT markings for US-bound carriers under FMCSA 49 CFR 390.21.

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