No person shall coerce or compel, or attempt to coerce or compel, any person into an agreement, either written or verbal, not to join or become a member of any labor organization, as a condition of securing or continuing in any employment.
Source. 1913, 208:1. PL 176:29. RL 212:21. 1947, 195:1 par. 21. 1949, 57:1, eff. Mar. 11, 1949.