(a) The Commissioner's decision specifies the effective date for AoA's reduction and withholding of the State's grant. This effective date may not be earlier than the date of the Commissioner's decision or later than the first day of the next calendar quarter.

(b) The decision remains in effect unless reversed or stayed on judicial appeal, or until the agency or the plan is changed to meet all Federal requirements, except that the Commissioner may modify or set aside his or her decision before the record of the proceedings under this subpart is filed in court.