20 CFR § 220.29 - Work that is considered substantial gainful activity.

---
identifier: "/us/cfr/t20/s220.29"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "20 CFR § 220.29 - Work that is considered substantial gainful activity."
title_number: 20
title_name: "Employees' Benefits"
section_number: "220.29"
section_name: "Work that is considered substantial gainful activity."
chapter_name: "RAILROAD RETIREMENT BOARD"
subchapter_number: "B"
subchapter_name: "REGULATIONS UNDER THE RAILROAD RETIREMENT ACT"
part_number: "220"
part_name: "DETERMINING DISABILITY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "45 U.S.C. 231a; 45 U.S.C. 231f."
regulatory_source: "56 FR 12980, Mar. 28, 1991, unless otherwise noted."
cfr_part: "220"
---


# 220.29 Work that is considered substantial gainful activity.

Work is considered to be substantial gainful activity if it—

(a) Involves doing significant and productive physical or mental duties; and

(b) Is done or is intended to be done for pay or profit. (See § 220.141 for a detailed explanation of what is substantial gainful activity.)