For the purposes of this Part, if:
(a) a television program is transmitted on:
(i) a commercial television broadcasting service provided by a commercial television broadcasting licensee; or
(ii) a national television broadcasting service provided by a national broadcaster; or
(iii) a subscription television service provided by a subscription television licensee; and
(b) the audio component of the television program consists:
(i) partly of human vocal content that is recognisable as being in the English language; and
(ii) partly of other content; and
(c) a captioning service is provided for the human vocal content covered by subparagraph (b)(i);
the licensee or the national broadcaster, as the case may be, is taken to have provided a captioning service for the program.