| (1) | When the administering officer or the Authority considers any application or request made under or by virtue of this Act or a scheme, he or the Authority may make any investigation or inquiry in connection therewith which may be deemed necessary, and for the purposes of such investigation or inquiry demand that such documents, information or samples as may be specified, be submitted to him or the Authority. |
| (2) | Whenever a regulation or a scheme specifies any period within which anything is to be done or performed, the administering officer or the Authority, as the case may be, may extend the period concerned, either before or after the period has expired. |
| (3) | Any approval, authorization or consent given or granted under or by virtue of this Act or a scheme may, except where expressly provided otherwise— |
| (a) | be made subject to such conditions as the administering officer or the Authority, as the case may be, may in each case determine; and |
| (b) | be amended or withdrawn by the administering officer or the Authority, as the case may be, if he deems it expedient. |
| (4) | If the administering officer or the Authority, by virtue of a power vested in him or the Authority by or under this Act or a scheme— |
| (a) | refuses to approve an application or a request which was submitted to him in writing; or |
| (b) | amends or withdraws an approval, authorization or consent as contemplated in subsection (3)(b), |
be shall notify the applicant concerned in writing of his decision and of the grounds on which it is based.
