CFR > Title 20 - Employees' Benefits > CHAPTER II—RAILROAD RETIREMENT BOARD > SUBCHAPTER B—REGULATIONS UNDER THE RAILROAD RETIREMENT ACT (parts 201 to 295) > PART 220—DETERMINING DISABILITY > SUBPART C—Disability Under the Railroad Retirement Act for Work in an Employee's Regular Railroad Occupation (§220.10 to §220.21) > 220.20—Notice that an annuitant is no longer disabled.