Continuing Certification is a new approach for handling changes in certification requirements and maintaining certifications of products under the UL Mark Certification Program. A more detailed Introduction to Continuing Certification and Customer Facing Document can be accessed using the links on the left side of the screen.

This Web site will guide you in maintaining UL certification of your products when there are changes in UL Standards for Safety. To find the specific information concerning the Effective Date, Summary of Requirements and whether action is required or not for changes to a UL standard under Continuing Certification, please use the search function by Subject Number, Standard Number or Effective Date on the left side of the screen.

For answers to specific questions, please contact your local Customer Service staff at the office handling your product submittals.