from attending—
at any place or in any area during any period or on any day or during specified times or periods within any period, except in such cases as may be specified in the notice or as the Minister or, on the authority of the Minister, the Director, or a magistrate acting in pursuance of the general or special instructions of the Minister, may at any time authorize in writing.
21. The Minister may at any time by a written notice signed by him and addressed and delivered or tendered to any person whose name appears on the consolidated list or in respect of whom any prohibition under this Act by way of a notice addressed and delivered or tendered to him is in force, order such person to report, subject to such exceptions as the Minister or, on the authority of the Minister, the Director, or a magistrate acting in pursuance of the general or special instructions of the Minister, may at any time authorize in writing, to the officer in charge of such police station and at such times and during such period as may be specified in the notice in question.
22. (1) The Minister may by notice in the Gazette prohibit all persons—
from—
of any particular organization or any organization of a nature, class or kind specified in such notice, except with the written consent of the Minister or the Director acting under the authority of the Minister or a magistrate acting in pursuance of the general or special instructions of the Minister: Provided that the Minister shall not issue any such notice in relation to any employers’ organization or trade union registered under the Labour Relations Act, 1956 (Act No. 28 of 1956), except after consultation with the Minister of Manpower.
(2) Any notice issued under subsection (1) may at any time be withdrawn or amended by the Minister by like notice.