(1)
If the licensing officer is satisfied, either on a reference made to him in this behalf or otherwise, that—
(a) a licence granted under section 8 has been obtained by misrepresentation or suppression of any material fact, or
(b) the holder of a licence has, without reasonable cause, failed to comply with the conditions subject to which the licence has been granted or has contravened any of the provisions of this Act or the rules made hereunder,
(2)
Subject to any rules that may be made in this behalf, the licensing officer may vary or amend a licence granted under section 8.