29 C.F.R. § 1204.2 Arbitrary changing of contracts.
Title 29 - Labor
No carrier, its officers, or agents shall change the rates of pay, rules, or working conditons of its employees, as a class as embodied in agreements except in the manner prescribed in such agreements or in section 6 of the Railway Labor Act.
Title 29: Labor
PART 1204—LABOR CONTRACTS
§ 1204.2 Arbitrary changing of contracts.