(1) The commissioner may employ clerical assistants, examiners, and investigators necessary to fulfill the requirements of this act. The commissioner may also promulgate rules pursuant to Act No. 306 of the Public Acts of 1969, as amended, being section 24.201 to 24.315 of the Michigan Compiled Laws, as he or she considers appropriate and necessary for the administration of this act.

  (2) The commissioner may enter into agreements with the appropriate authorities of other states having statutes similar to this act for the cooperative audit of motor carriers’ reports and returns. In performing an audit, or part of an audit, the officers and employees of the other state or states shall be considered authorized agents of this state for that purpose, and audits, or parts of audits, shall have the same effect as audits, or parts of audits, made by the commissioner.