{"data":{"id":"us/45-cfr-162.610","jurisdiction":"us","citation":"45 CFR 162.610","heading":"Implementation specifications for covered entities.","body":"(a) The standard unique employer identifier of an employer of a particular employee is the EIN that appears on that employee's IRS Form W-2, Wage and Tax Statement, from the employer.\n(b) A covered entity must use the standard unique employer identifier (EIN) of the appropriate employer in standard transactions that require an employer identifier to identify a person or entity as an employer, including where situationally required.\n(c) Required and permitted uses for the Employer Identifier.\n(1) The Employer Identifier must be used as stated in § 162.610(b).\n(2) The Employer Identifier may be used for any other lawful purpose.","path":["Title 45—Public Welfare","SUBTITLE A—Department of Health and Human Services","SUBCHAPTER C—ADMINISTRATIVE DATA STANDARDS AND RELATED REQUIREMENTS","PART 162—ADMINISTRATIVE REQUIREMENTS","Subpart F—Standard Unique Employer Identifier"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-45.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:21Z","sha256":"a8c79414bf00129b1fea3b3a813bf992ec4fc807b9dae252a73c717a7ef0d98c","source_id":"us-cfr","stale":true,"prev":"us/45-cfr-162.605","next":"us/45-cfr-162.900"},"notice":"GroundRules: Original legal text. Not legal advice."}