by the United States government

“ The plan as modified becomes the plan unless, after notice and a hearing, such modification is disapproved. (c) A plan modified under this section may not provide for payments over a period that expires after the applicable commitment period under section 1325 (b) (1) (B) after the time that the first payment under the original confirmed plan was due, unless the court, for cause, approves a longer period, but the court may not approve a period that expires after five years after such time. ”

“ At any time after confirmation of the plan but before the completion of payments under such plan, the plan may be modified, upon request of the debtor, the trustee, or the holder of an allowed unsecured claim, to— (1) increase or reduce the amount of payments on claims of a particular class provided for by the plan; (2) extend or reduce the time for such payments; (3) alter the amount of the distribution to a creditor whose claim is provided for by the plan to the extent necessary to take account of any payment of such claim other than under the plan ”