The licensee may not enter into a dual relationship with a client or an individual with whom the client has a close personal relationship. Adoption of a Former Client. The Board may make an exception to §A of this regulation in the case of a licensee seeking the adoption of a former client under what is deemed extraordinary circumstances as a result of a Board investigation. The licensee may enter into a nonsexual relationship with an individual with whom the licensee’s prior professional contact: Was of a brief, peripheral, or indirect nature; and Did not constitute a therapeutic relationship. The licensee may not engage in sexual misconduct with either current or former clients. The licensee may not engage in sexual misconduct with a client, supervisee, student, trainee, or colleague over whom the licensee exercises professional authority. The licensee may not terminate professional services or a professional relationship with a client in order to enter into a nonprofessional, social, or sexual relationship with the client or an individual with whom the client has a personal relationship. Prior Sexual Relationships. The licensee may not provide professional services to an individual with whom the licensee has previously engaged in sexual behavior.