(a) No recipient or other party subject to this part shall intimidate, threaten, coerce, or discriminate against, any person for the purpose of interfering with any right or privilege secured by section 601 of the Act of this part, or because the person has made a complaint, testified, assisted, or participated in any manner in an investigation, proceeding, or hearing under this part.

(b) The identity of complainants shall be kept confidential except to the extent necessary to carry out the purposes of this part, including the conduct of any investigation, hearing, or judicial or other proceeding arising thereunder.