---
kind: "unit"
title: "20"
title_heading: "Employees' Benefits"
key: "chII/subchB/part220/subpartO"
level: "subpart"
label: "Subpart O"
heading: "Continuing or Stopping Disability Due to Substantial Gainful Activity or Medical Improvement"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/20/chII-subchB-part220-subpartO"
sections_count: 13
---

# Subpart O — Continuing or Stopping Disability Due to Substantial Gainful Activity or Medical Improvement

Title 20 C.F.R. — Employees' Benefits › Chapter II — Railroad Retirement Board › Subchapter B — Regulations under the Railroad Retirement Act › Part 220 — Determining Disability

## Sections

- [§220.175. Responsibility to notify the Board of events which affect disability.](/cfr/20/220.175.md)
- [§220.176. When disability continues or ends.](/cfr/20/220.176.md)
- [§220.177. Terms and definitions.](/cfr/20/220.177.md)
- [§220.178. Determining medical improvement and its relationship to the annuitant's ability to do work.](/cfr/20/220.178.md)
- [§220.179. Exceptions to medical improvement.](/cfr/20/220.179.md)
- [§220.180. Determining continuation or cessation of disability.](/cfr/20/220.180.md)
- [§220.181. The month in which the Board will find that the annuitant is no longer disabled.](/cfr/20/220.181.md)
- [§220.182. Before a disability annuity is stopped.](/cfr/20/220.182.md)
- [§220.183. Notice that the annuitant is not disabled.](/cfr/20/220.183.md)
- [§220.184. If the annuitant becomes disabled by another impairment(s).](/cfr/20/220.184.md)
- [§220.185. The Board may conduct a review to find out whether the annuitant continues to be disabled.](/cfr/20/220.185.md)
- [§220.186. When and how often the Board will conduct a continuing disability review.](/cfr/20/220.186.md)
- [§220.187. If the annuitant's medical recovery was expected and the annuitant returned to work.](/cfr/20/220.187.md)