The performance of service by an individual as an employee or employee representative as defined in section 3231(b) and (c), respectively (see §§ 31.3231(b)-1 and 31.3231(c)-1 of Part 31 of this chapter (Employment Tax Regulations)), that is, an individual covered under the railroad retirement system, does not constitute a trade or business.
source: Sections 1.1401-1 through 1.1403-1 contained in T.D. 6691, 28 FR 12796, Dec. 3, 1963, unless otherwise noted.
cite as: 26 CFR 1.1402