When it is illegal to necessitate union membership as a condition of employment for firm, then the firm: (1) Needs all the employees to sign the yellow dog contracts. (2) Can’t sign an agency shop agreement with the union. (3) Can need settlement before workers can go out on the strike. (4) Consists of a supplier’s contract with federal government. (5) Is operating in a state with ‘Right-to-Work’ law.
Choose the right answer from the above options.