(a) Members and employees shall not engage in harassment on the basis of sex. Unwelcome sexual advances, requests for sexual favors, and other verbal or physical conduct of a sexual nature constitute sexual harassment when:
- (1) Submission to such conduct is made either explicitly or implicitly a term or condition of an individual's employment;
- (2) Submission to or rejection of such conduct by an individual is used as the basis for employment decisions affecting such individual; or
- (3) Such conduct has the purpose or effect of interfering with an individual's work performance or creating an intimidating, hostile, offensive, or unpleasant working environment.