20 CFR § 301.4
Who are employers
February 18, 2021
The provisions of §201.1(k) and the provisions of §§202.2 through 202.15 of this chapter shall be applicable to the determination of who are employers under the Railroad Unemployment Insurance Act to the same extent and in the same manner as they are applicable to the determination of who are employers under the Railroad Retirement Act of 1937.
[Board Order 40-368, 5 FR 2718, Aug. 1, 1940]