It shall be deemed an unfair labor practice, and unlawful, for any health care activity to:

(1) Interfere with, restrain or coerce employees in any manner in the exercise of their right of self-organization: PROVIDED, That the expressing of any views, argument, or opinion, or the dissemination thereof, whether in written, printed, graphic or visual form, shall not constitute or be evidence of an unfair labor practice under any of the provisions of this chapter, if such expression contains no threat of reprisal or force or promise of benefit;

(2) Initiate, create, dominate, contribute to or interfere with the formation or administration of any employee organization having bargaining as one of its functions;

(3) Discriminate in regard to hire, terms, or conditions of employment in order to discourage membership in any employee organization having collective bargaining as one of its functions;

(4) Refuse to meet and bargain in good faith with the duly designated representatives of an appropriate bargaining unit of employees; and it shall be a requirement of good faith bargaining that the parties be willing to reduce to writing, and have their representatives sign, any agreement arrived at through negotiation and discussion.