… , Apr. 12, 2012; 79 FR 29955 , May 23, 2014; 80 FR 7958 , Feb. 12, 2015; 89 FR 30812 , Apr. 23, 2024] § 417.461 Disenrollment by the enrollee. ( a ) Request for disenrollment. ( 1 ) A Medicare enrollee who wishes to disenroll may at any time give the HMO or CMP a signed, dated r…