(1) The cemetery commission may investigate, in the manner set forth in section 7, a person subject to Act No. 251 of the Public Acts of 1968, as amended, being section 456.521 to 456.543 of the Michigan Compiled Laws, who the commission believes has engaged, is engaging, or is about to engage in a method, act, or practice which is unlawful under this act.

  (2) When the commission requires the use of the subpoena power provided in this act, an application shall be made to the attorney general, who shall proceed to procure a subpoena on behalf of the commission in accordance with section 7.

  (3) Upon conclusion of an investigation, the commission shall provide a full report to the attorney general.