It is administered by the Classification & Ratings Administration (CARA), an independent division of the MPAA.
If a film has not been submitted for a rating or is an uncut version of a film that was submitted, the labels Not Rated (NR) or Unrated (UR) are often used.
The first film to be released with this rating was the 1984 John Milius war film Red Dawn.
Around the same time, the MPAA won a trademark infringement lawsuit against the producers and distributors of I Spit on Your Grave over a fraudulent application of its R rating to the uncut version of the film, In the rating system's early years, "X"-rated films such as Midnight Cowboy (1969) and A Clockwork Orange (1971) were understood to be unsuitable for children, but non-pornographic and intended for the general public.
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