Films depicting historical events
249.—(1)  This section applies where —
(a)the visual images of a film consist wholly or mainly of images that, when they were first embodied in an article or a thing, were means of communicating news; and
(b)50 years have passed since the end of the year during which the main events depicted in the film occurred.
(2)  It is a permitted use to —
(a)cause the visual images of the film to be seen in public;
(b)cause any sounds of the film to be heard in public; or
(c)do both of those acts.