to cause, encourage or further feelings of hostility between the White and other inhabitants of the Republic;
(j)
to damage, destroy, endanger, interrupt, render useless or unserviceable or put out of action the supply or distribution at any place of light, power, fuel, foodstuffs or water, or of sanitary, medical, fire extinguishing, postal, telephone or telegraph services or installations, or radio transmitting, broadcasting or receiving services or installations;
(k)
to obstruct or endanger the free movement of any traffic on land, at sea or in the air;
(l)
to embarrass the administration of the affairs of the State,
the accused shall be presumed to have committed or attempted to commit, or conspired with such other person to aid or procure the commission of or to commit, or incited, instigated, commanded, aided, advised, encouraged or procured such other person to commit, such act with intent to endanger the maintenance of law and order in the Republic, unless it is proved beyond a reasonable doubt that he did not intend any of the
results aforesaid.
(3) In any prosecution for an offence under this section, any document, book, record, pamphlet, publication or written instrument—
(a)
which has been found in or removed from the possession, custody or control of the accused or of any person who was at any time before or after the commencement of this Act an office-bearer, officer, member or active supporter of an organization of which the accused is or was an office-bearer, officer, member or active supporter;
(b)
which has been found in or removed from any office or other premises occupied or used at any time before or after the commencement of this Act by an organization of which the accused is or was an office-bearer, officer, member or active supporter or by any person in his capacity as office-bearer or officer of such organization; or
(c)
which on the face thereof has been compiled, kept, maintained, used, issued or published by or on behalf of an organization of which the accused is or was an office-bearer, officer, member or active supporter or by or on behalf of any person having a name corresponding substantially to that of the accused,
and any photostatic copy of any such document, book, record, pamphlet, publication or written instrument, shall be admissible in evidence against the accused as prima facie proof of the contents thereof.
(4) No person shall be convicted of an offence under subsection (1) committed at any place outside the Republic, if such person proves that he is not a South African citizen and has not at any time before or after the commencement of this
