As necessary to comply with 42 U.S.C. 666, the agency, by regulation, shall provide procedures and standards for the modification, through a three-year cycle of review or adjustment, of a support order. Regulations adopted under this section must include procedures for periodic notice of the right to request review, procedures for hearings, and standards for adjustments regarding future periodic support payments. A modification under this section may be made without a showing of a material change in circumstances.