PART III UNLAWFUL ORGANISATION

18.—In order to regulate and control in the public interest the exercise of the constitutional right of citizens to form associations, it is hereby declared that any organisation which—

( a ) engages in, promotes, encourages, or advocates the commission of treason or any activity of a treasonable nature, or

( b ) advocates, encourages, or attempts the procuring by force, violence, or other unconstitutional means of an alteration of the Constitution, or

( c ) raises or maintains or attempts to raise or maintain a military or armed force in contravention of the Constitution or without constitutional authority, or.

( d ) engages in, promotes, encourages, or advocates the commission of any criminal offence or the obstruction of or interference with the administration of justice or the enforcement of the law, or

( e ) engages in, promotes, encourages, or advocates the attainment of any particular object, lawful or unlawful, by violent, criminal, or other unlawful means, or

( f ) promotes, encourages, or advocates the non-payment of moneys payable to the Central Fund or any other public fund or the non-payment of local taxation,

shall be an unlawful organisation within the meaning and for the purposes of this Act, and this Act shall apply and have effect in relation to such organisation accordingly.