{"data":{"id":"us/45-cfr-150.421","jurisdiction":"us","citation":"45 CFR 150.421","heading":"Appearance of counsel.","body":"Any attorney who is to appear on behalf of a party must promptly file, with the ALJ, a notice of appearance.","path":["Title 45—Public Welfare","SUBTITLE A—Department of Health and Human Services","SUBCHAPTER B—REQUIREMENTS RELATING TO HEALTH CARE ACCESS","PART 150—CMS ENFORCEMENT IN GROUP AND INDIVIDUAL INSURANCE MARKETS","Subpart D—Administrative Hearings"],"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":"00154ab5ebfdd0c0a7677f9d7817944656238499d874668612f525cb468fb407","source_id":"us-cfr","stale":true,"prev":"us/45-cfr-150.419","next":"us/45-cfr-150.423"},"notice":"GroundRules: Original legal text. Not legal advice."}