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The ENERGY STAR specification for luminaires is now effective and certified luminaires are now subject to verification testing administered by EPA-recognized certification bodies (CBs). In addition to guidance already provided to CBs on verification testing, the U.S. EPA has finalized Directive #2012-01, ENERGY STAR Luminaires Verification Testing Guidance for Certification Bodies - Test Criteria, Sample Sizes and Determining Testing Failures, and Reporting to EPA. As noted in previous correspondence, this guidance limits the verification testing to core performance criteria and establishes the sample sizes needed to verify product performance. Submit any questions about this directive to Certification@energystar.gov with "Luminaires Verification Testing" in the subject line.