{"data":{"id":"us/20-cfr-220.28","jurisdiction":"us","citation":"20 CFR 220.28","heading":"How long the impairment must last.","body":"Unless the claimant's impairment is expected to result in death, it must have lasted or must be expected to last for a continuous period of at least 12 months. This is known as the duration requirement.","path":["Title 20—Employees' Benefits","CHAPTER II—RAILROAD RETIREMENT BOARD","SUBCHAPTER B—REGULATIONS UNDER THE RAILROAD RETIREMENT ACT","PART 220—DETERMINING DISABILITY","Subpart D—Disability Under the Railroad Retirement Act for Any Regular Employment"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-20.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:45Z","sha256":"7c5c4b3a23ef08b3f1ad93e65c0445a17533b642856e5f563417c27106370ed0","source_id":"us-cfr","stale":true,"prev":"us/20-cfr-220.27","next":"us/20-cfr-220.29"},"notice":"GroundRules: Original legal text. Not legal advice."}