In addition to any other powers set forth elsewhere, the Commission may: establish subcommittees or advisory committees composed of Commission members to accomplish the duties imposed under this section; require each State unit and local government unit to give information to the Commission on request; and apply for, accept, and use grants or financial or other aid from a public or private source to accomplish the duties established in this part. At least annually, the Commission shall hold a hearing for public comments about the issues that are being studied by the Commission. The Commission may adopt rules governing the administration and proceedings of the Commission. A change to the sentencing guidelines requires adoption by a majority of the total number of members of the Commission.