Business Law Today 9th Edition by Roger LeRoy Miller,Gaylord Jentz

Exercise 2

Onyx applies for work with Precision Design Company, which tells her that it requires union membership as a condition of employment. She applies for work with Quality Engineering, Inc., which does not require union membership as a condition of employment but requires employees to join a union after six months on the job. Are these conditions l egal?Why or why not?