---
kind: "unit"
title: "20"
title_heading: "Employees' Benefits"
key: "chII/subchB/part220/subpartL"
level: "subpart"
label: "Subpart L"
heading: "Substantial Gainful Activity"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/20/chII-subchB-part220-subpartL"
sections_count: 6
---

# Subpart L — Substantial Gainful Activity

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

- [§220.140. General.](/cfr/20/220.140.md)
- [§220.141. Substantial gainful activity, defined.](/cfr/20/220.141.md)
- [§220.142. General information about work activity.](/cfr/20/220.142.md)
- [§220.143. Evaluation guides for an employed claimant.](/cfr/20/220.143.md)
- [§220.144. Evaluation guides for a self-employed claimant.](/cfr/20/220.144.md)
- [§220.145. Impairment-related work expenses.](/cfr/20/220.145.md)