(1) Subject to this section, the period for which a Debt Relief Notice shall remain in effect ("supervision period") is the period of 3 years from the date on which its issue is recorded under section 33(4).

(2) The appropriate court, on application to it by the Insolvency Service, may extend the supervision period where it is satisfied that such extension is necessary in order to allow the Insolvency Service to -

(a) carry out or complete an investigation under section 40, or

(b) take any other action it considers necessary (whether as a result of such an investigation or otherwise) in relation to the Notice concerned.

(3) The appropriate court may extend the supervision period for the purposes of determining an application under section 42, 43 or 44.

(4) Notwithstanding subsections (1) to (3), a Debt Relief Notice shall cease to have effect on the date -

(a) on which the termination of the Notice, under section 42, 43 or 44, takes effect, or