Foreign shareholding in radio and TV broadcasting companies is limited to 20% and not more than 20% of directors of those firms may be foreigners.
"Definitions
1. In this Act, unless the context indicates otherwise—[...]
‘‘broadcasting’’ means any form of unidirectional electronic communications intended for reception by— (a) the public; (b) sections of the public; or (c) subscribers to any broadcasting service, whether conveyed by means of radio frequency spectrum or any electronic communications network or any combination thereof, and ‘‘broadcast’’ is
construed accordingly; [...]
‘‘broadcasting service’’ means any service which consists of broadcasting and which service is conveyed by means of an electronic communications network, but does not include—(a) a service which provides no more than data or text, whether with or without associated still images; (b) a service in which the provision of audio-visual material or audio material is incidental to the provision of that service, or (c) a service or a class of service, which the Authority may prescribe as not falling within this definition; [...]
‘‘commercial broadcasting’’ means a broadcasting service operating for profit or as part of a profit entity but excludes any public broadcasting service; [...]
‘‘electronic communications’’ means the emission, transmission or reception of
information, including without limitation, voice, sound, data, text, video, animation, visual images, moving images and pictures, signals or a combination thereof
by means of magnetism, radio or other electromagnetic waves, optical, electro
[...]
Preservation of South African programming
61. (1) The Authority may prescribe regulations applicable to broadcasting service licensees regarding the commissioning of independently produced South African
programming.
(2) For purposes of this section—
(a) ‘‘local television content’’ means a television programme, excluding transmission of sporting events and compilations thereof, advertisements, teletext
and continuity announcements, which is produced— (i) by a broadcasting service licensee; (ii) by a person who is a citizen of, and permanently resident in, the
Republic; (iii) by a juristic person, the majority of the directors, shareholders or members of whom are citizens of, and permanently resident in, the Republic; (iv) in a co-production in which persons referred to in subparagraphs (i), (ii) or (iii) have at least a fifty percent financial interest; (v) by persons referred to in subparagraphs (i), (ii), (iii) or (iv), in circumstances where the prescribed number of key personnel who are involved in the production of the television programme, are citizens of, and permanently resident in, the Republic; or (vi) by persons referred to in subparagraphs (i), (ii), (iii) or (iv), in circumstances where the prescribed percentage of the production costs are incurred in the Republic; [...]
(c) a musical work broadcast by a broadcasting service licensee qualifies as
‘‘South African music’’ if such work complies with at least two of the following criteria, namely— (i) if the lyrics (if any) were written by a South African citizen; (ii) if the music was written by a South African citizen; (iii) if the music or lyrics was or were principally performed by musicians who are South African citizens; (iv) if the musical work consists of a live performance which is— (aa) recorded wholly in the Republic; or (bb) performed wholly in the Republic and broadcast live in the Republic.
(3) The Authority may, in respect of the television broadcasting service licence, impose and specify in that licence, such conditions, as prescribed, regarding local television content and independent television production, which without derogating from the generality of the foregoing, may include any conditions requiring the broadcasting service licensee -  (a) to annually expend a specified sum of money, subject to reasonable yearly escalation or, alternatively, a specified minimum percentage of its gross revenue, on programmes which have local television content; (b) to allocate a specified minimum percentage of its total broadcasting time to television programmes which have local television content; (c) in the case where the broadcasting service licensee has a regional or local licence area, to allocate a specified minimum percentage of broadcasting time to local television programmes which have been produced in the relevant region or locality; and (d) to allocate a specified minimum portion of the percentage referred to in paragraph (a), (b) or (c), whichever is applicable, to a prescribed diversity of television programmes which are independent television productions.
(4) The Authority may, in relation to a sound broadcasting service, prescribe conditions in terms of which the broadcasting service licensee is required to broadcast a specified minimum percentage of musical works which qualify as South African music.
(5) In prescribing any amount or percentage in terms of subsections (3) or (4), the Authority may prescribe the application thereof with regard to— (a) any of the categories of broadcasting service licence referred to in sections 49, 50 and 51; (b) defined viewing and listening times, where applicable; (c) various categories of television programmes, where applicable; and (d) the period within which the broadcasting service licensee must comply with the provisions of this section.
[...]
Limitations on foreign control of commercial broadcasting services
64. (1) A foreigner may not, whether directly or indirectly—
(a) exercise control over a commercial broadcasting licensee; or
(b) have a financial interest or an interest either in voting shares or paid-up capital in a commercial broadcasting licensee, exceeding twenty (20) percent.
(2) Not more than twenty (20) percent of the directors of a commercial broadcasting licensee may be foreigners.[...]" (Electronic Communications Act 36 of 2005, as amended)


Electronic Communications Act 36 of 2005, as amended
[<a href="https://www.gov.za/documents/electronic-communications-act">Act</a>]