(1) This section applies if:
(a) either:
(i) a person is requested or required (however described) under a provision of this instrument to do a thing before the end of a period (the original period ); or
(ii) the Authority or Minister is required to do a thing under a provision of this instrument in relation to a person before the end of a period (the original period ); and
(b) the provision refers to the period being extended under this section.
(2) Before the end of the original period:
(a) if the Minister requests or requires a person to do a thing, or a person is required to do a thing--the Minister; and
(b) otherwise--the Authority;
may extend the period by giving the person written notice of the extension.
(3) Without limiting subsection (2), if the Authority or Minister must give the person a notice in order to request or require the person to do the thing, the extension of the original period may be in that notice.