Nothing in this Division applies to or in respect of any work or employment where that work or employment involves any one or more of the following--
(a) participation in a dramatic performance or other entertainment in a capacity for which a person of a particular race is required for reasons of authenticity,
(b) participation as an artist's or photographic model in the production of a work of art, visual image or sequence of visual images for which a person of a particular race is required for reasons of authenticity,
(c) working in a place where food or drink is, for payment or not, provided to and consumed by persons in circumstances in which a person of a particular race is required for reasons of authenticity, or
(d) providing persons of a particular race with services for the purpose of promoting their welfare where those services can most effectively be provided by a person of the same race.