Regulations and Censorships outlines the film rating system used in the UK, including U (suitable for all ages 4+ but with no violence), PG (general viewing but some scenes may be unsuitable for children under 8), 12/12A (contains material inappropriate for those under 12 without an accompanying adult), 15 (no one under 15 allowed), and 18 (no one under 18 allowed to view). The document provides brief descriptions of the content restrictions for each rating.