(1) Before commencement of administrative proceedings, the department may issue a statement of intent to commence proceedings to persons who are subjects of an investigation relating to possible violations of this act. The notice shall provide that the subjects of the investigation shall have opportunity to show why proceedings should not be commenced against them. If a response satisfactory to the department is received, then further proceedings under this act shall not be required.

    (2) In connection with an investigation or proceeding held pursuant to this act, the department may accept an assurance from the person who is alleged to have violated the act, that the method, act, or practice which is allegedly in violation of the act will be discontinued. An assurance of discontinuance shall be in writing and filed with the department.