The document provides guidelines for film certification ratings in the UK. It outlines the criteria considered for universal/U, parental guidance/PG, 12A/12, 15, and 18 ratings. The guidelines address what types of content are appropriate at each rating level, including violence, language, drug use, sexual content, discrimination and more. Content is restricted to be more mild and discreet for younger ratings and can include stronger elements for older ratings, depending on factors like context, frequency, and mitigating messages. The 18 rating is for works intended for adult audiences only and outlines exceptions where material may breach criminal law or risk harm.