s 20 Withdrawing or amending a notice
(1) An administrator may at any time in writing— (a) withdraw a notice of intent or a final notice in relation to a fixed monetary penalty; (b) withdraw a notice of intent or final notice in relation to a variable monetary penalty or reduce the amount specified in the notice; (c) withdraw a notice of intent or a final notice in relation to a non-monetary discretionary requirement or amend the steps specified in the notice so as to reduce the amount of work necessary to comply with the notice; (d) withdraw a notice of intent in relation to a non-compliance penalty or reduce the amount specified in the notice; (e) withdraw a non-compliance penalty notice or reduce the amount specified in the notice; (f) withdraw an enforcement costs recovery notice or reduce the amount specified in the notice. (2) An administrator must consult the seller in question before withdrawing or amending a notice under paragraph (1). (3) But paragraph (2) does not apply in any case where it is impracticable to consult the seller concerned.