certification mark
noun
: a mark or device used to identify a product or service that has been certified to conform to a particular set of standards
Example Sentences
Recent Examples on the Web The Producers Guild of America has attempted to clarify some of the confusion with the PGA certification mark. 
Mark Olsen, Los Angeles Times, 26 Oct. 2021 The sinks displayed counterfeit Uniform Plumbing Code certification marks, which is required by the International Association of Plumbing and Mechanical Officials to be on all plumbing products. Brittany Brown, baltimoresun.com, 26 June 2019
Mark Olsen, Los Angeles Times, 26 Oct. 2021 The sinks displayed counterfeit Uniform Plumbing Code certification marks, which is required by the International Association of Plumbing and Mechanical Officials to be on all plumbing products. Brittany Brown, baltimoresun.com, 26 June 2019 Word History
First Known Use
1919, in the meaning defined above