In the audiovisual field in particular, the production and usage of a Intellectual property creation in literature and art (as well as computer programmes) exhibiting an individual and therefore unique character. Said individual character is the prerequisite that a work can be protected. is often governed by a row of contracts with certain rights being assigned from one contract to the next. Is it is important to maintain logic and coherence (see also: Contractual provision, which stipulates - particularly for users of audiovisual works - that specific rights are exclusively administered by the collective management organisation the author is a member of.).