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WTO notification · TBT

CanadaAdopted, according to its latest notice

New pneumatic tyres, of rubber – Canada

Official title

Updating the Canada Motor Vehicle Safety Standard requirements for the introduction of the Parasitic Tread Block Chunking (PTBC) definition (1 document totalling 20 pages, available in English and French): Proposed Technical Standards Document 139 (Changes can be found on page [1, 2, 11, 12, 14, 16])

Canada issued an addendum on 5 May 2026 to the earlier TBT notification G/TBT/N/CAN/769. Addenda often report that a measure was adopted, changed, postponed or withdrawn. The measure was first notified on 9 February 2026. The comment period closed on 7 April 2026.

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Source: WTO ePing (opens in a new tab). Summaries by Expodite, which is independent of the WTO.

Published here:

Updated here:

At a glance

Products

New pneumatic tyres, of rubber

HS codes
  • 40 · Rubber and articles thereof
    • 4011 New pneumatic tyres, of rubber
Notifying member
Canada
Status
Adopted, according to its latest notice
Objectives
  • Other
Area
TBT: Technical product rulesTechnical barriers to trade
Notification type
Regular notification
Document symbol
G/TBT/N/CAN/769Latest notice: G/TBT/N/CAN/769/Add.1

Key dates

Distributed by the WTO
Comment deadline
Closed on 7 April 2026
Proposed adoption
On the date of publication of the TSD.
Proposed entry into force
The TSD would come into force 6 months after the day on which it is published.

What the notification says

Latest notice (⁨G/TBT/N/CAN/769/Add.1⁩, 5 May 2026)

The latest notice says the measure was adopted or published.

Updating the Canada Motor Vehicle Tire Safety Standard requirements on Parasitic Tread Block Chunking (PTBC)

Following the public consultation on Technical Standards Document (TSD) 139, which was published on 6 February 2026 and closed on 7 April 2026, it has been decided to update the document. The objective of this update is to change TSD 139 to accommodate PTBC for winter tires. The change adds the definition of PTBC to TSD 139 as a non-failure mode. This definition matches international standards. Normal tire chunking will remain a valid failure mode. The consultation received only supportive comments.

Transport Canada is considering updating the Motor Vehicle Tire Safety Regulations: Transport Canada is proposing to update the Technical Standards Document (TSD) 139 referenced in the Motor Vehicle Safety Tire Regulations (MVTSR) pertaining to new passenger car tires.

Notices on this measure

Every notice about this measure published here, newest first. Each one is the notifying member's own text.

  1. AddendumG/TBT/N/CAN/769/Add.1

    Updating the Canada Motor Vehicle Tire Safety Standard requirements on Parasitic Tread Block Chunking (PTBC)

    Following the public consultation on Technical Standards Document (TSD) 139, which was published on 6 February 2026 and closed on 7 April 2026, it has been decided to update the document. The objective of this update is to change TSD 139 to accommodate PTBC for winter tires. The change adds the definition of PTBC to TSD 139 as a non-failure mode. This definition matches international standards. Normal tire chunking will remain a valid failure mode. The consultation received only supportive comments.

    Open on WTO ePing (opens in a new tab)Official WTO document (opens in a new tab)Notified document (opens in a new tab)

  2. Regular notificationG/TBT/N/CAN/769

    Comment deadline: Closed on 7 April 2026

    Updating the Canada Motor Vehicle Safety Standard requirements for the introduction of the Parasitic Tread Block Chunking (PTBC) definition (1 document totalling 20 pages, available in English and French): Proposed Technical Standards Document 139 (Changes can be found on page [1, 2, 11, 12, 14, 16])

    Transport Canada is considering updating the Motor Vehicle Tire Safety Regulations: Transport Canada is proposing to update the Technical Standards Document (TSD) 139 referenced in the Motor Vehicle Safety Tire Regulations (MVTSR) pertaining to new passenger car tires.

    Open on WTO ePing (opens in a new tab)Official WTO document (opens in a new tab)Notified document (opens in a new tab)

Sources

Expodite writes its summary from the official record. The notification and the documents it notifies are on the WTO's own websites.

All updates from Canada

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    Symbol: G/SPS/N/CAN/1654

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    The Clean Fuel Regulations (the Regulations) require regulated parties (producers and importers of gasoline or diesel) to reduce the lifecycle carbon intensity of the gasoline or diesel they produce or import for use in Canada. To achieve this, the Regulations establish annual lifecycle carbon…

    Symbol: G/TBT/N/CAN/785Comments until 14 January 2027

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