In this part—
application means an application to which this part applies.
authorising provision, for an application, means the provision of this Act that authorises the making of the application.
deciding authority, for an application—
(a) means the entity that is to decide the application under the authorising provision for the application; and
(b) includes an entity to which the power to decide the application has been delegated.
invalid application see section 189(2).