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DeadlineConsumer Product Safety Commission · Product safetyDeadline Sep 17, in 6 days5/5 claims matched to source

CPSC may adopt a revised button-battery standard; comments close Sept 17

UL revised the standard that CPSC's mandatory button-battery rule incorporates. Unless CPSC rejects the revision within 90 days, the new version becomes the mandatory standard automatically.

  • Comment deadlineSeptember 17, 2026
  • Rule16 CFR part 1263

What the document says

  1. Matched to source. CPSC's mandatory rule incorporates UL 4200A, and UL has now revised it.

  2. Matched to source. If CPSC does not reject the revision, it becomes the mandatory standard 180 days after CPSC was notified.

  3. Matched to source. The rule covers performance tests, warning labels, and instructions for products with these batteries.

  4. Matched to source. Late comments will not be considered.

  5. Matched to source. A read-only copy of the revised standard is free on UL's website.

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