Section 18. Any license may be cancelled or suspended

18. Any license may be cancelled or suspended— (a) by the officer by whom the same was granted, or by any authority to which he may be subordinate, or by any Magistrate of a District, or Commissioner of Police in a Presidency-town, within the local limits of whose jurisdiction the holder of such license may be, when, for reasons to be recorded in writing, such officer, authority, Magistrate or Commissioner deems it necessary for the security of the public peace to cancel or suspend such license; or (b) by any Judge or Magistrate before whom the holder of such license is convicted of an offence against this Act, or against the rules made under this Act; and the Local Government may at its discretion, by a notification in the local official Gazette, cancel or suspend all or any licenses throughout the whole or any portion of the territories under its administration. VI.—Penalties.