BBFC regulations.

The BBFC website is open to the public and has details on its methods and regulation policies. It provides details of their ratings of media products. 

They also have a section specifically for students and teachers for educational details. 

Their age ratings include U, PG, 12A, 12, 15, 18, and R18. 

BBFC is a great source of study material for Media Studies CIE exam.