; and (K) such other matters as may reasonably be related to the goal of reducing solitary confinement in correctional facilities. (3) Limitation The Commission shall not propose a recommended standard that would impose substantial additional costs compared to the costs presently expended by correctional facilities, and shall seek to propose standards that reduce the costs of incarceration at such facilities. (f) Consultation with accreditation organizations In developing recommended national standards for the reduction of solitary confinement under subsection (e), the Commission shall consider any standards that have already been developed, or are being developed simultaneously to the deliberations of the Commission. The Commission shall consult with accreditation organizations responsible for the accreditation of correctional facilities that have developed or are developing standards related to solitary confinement. The Commission shall also consult with national associations representing the corrections profession, the legal profession, the medical profession, or any other pertinent professional body that has developed or is developing standards related to solitary confinement. (g) Hearings (1) In general The Commission shall hold public hearings. The Commission may hold such hearings, sit and act at such times and places, take such testimony, and receive such evidence as the Commission considers advisable to carry out its duties under this section. (2) Witness expenses Witnesses requested to appear before the Commission shall be paid the same fees as are paid to witnesses under section 1821 of title 28, United States Code. The per diem and mileage allowances for witnesses shall be paid from funds appropriated to the Commission. (h) Information from Federal or State agencies The Commission may secure directly from any Federal department or agency such information as the Commission considers necessary to carry out its duties under this section. The Commission may request the head of any State or local