(1) Subject to subsections (2) and (3), the ACMA may issue an apparatus licence that is inconsistent with the spectrum plan or any relevant frequency band plan only if:
(a) the apparatus licence is granted for purposes which relate to an event of international, national or regional significance; or
(b) the issue of the apparatus licence is otherwise in the public interest; or
(c) the apparatus licence authorises a body covered by any of paragraphs 27(1)(b) to (be) to operate specified radiocommunications devices, or radiocommunications devices of a specified kind, for the purpose of investigations or operations conducted by the body.
(2) An apparatus licence of a kind mentioned in paragraph (1)(a) or (b) must not be issued for more than 30 days.
(3) An apparatus licence of a kind mentioned in paragraph (1)(a) or (b) must not be renewed under section 130 more than once.