This document outlines the age restrictions and content guidelines for films rated 12, 12A, 15, and 18 in the UK. Films rated 12 can contain mild language and brief nudity or sex references but not discriminatory language. Films rated 12A are the same but can be watched by children accompanied by an adult. Films rated 15 can have stronger language, discriminatory language, and sex scenes as long as they are not graphic. Films rated 18 can contain very strong language, graphic violence including blood and gore, strong sexual content including real sex scenes, and discriminatory language.