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 D—Disability Under the Railroad Retirement Act for Any Regular Employment (§220.25 to §220.30) > 220.29—Work that is considered substantial gainful activity.

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.)