This article was updated: July 29, 2026

Not a fixed historical date

Current rules focus on when each business first goes to market.ECHA Requirements: Eligible substances should normally be notified to the C&L List within one month of being placed on the EU market.

Also keep it up to date

When the classification or labeling information changes, the notification shall be updated as required by the CLP.Businesses should not continue to cite the unified transition deadline of more than a decade ago as the current answer.

ECHA Official Circular Notes

Tip: This article is a general compliance statement, and specific obligations should be confirmed in combination with product information, supply chain roles, and target markets.