18 (British Board of Film Classification)
The 18 certificate is issued by the British Board of Film Classification (BBFC), to state that in its opinion, a film, video recording, or game is suitable only for persons aged 18 years and over. It recommends that no one below that age should be admitted to view a film with an 18 certificate in a cinema, and that 18-rated video recordings should not be sold or rented to anyone below that age.
Extreme graphic violence, and violence that dwells on the infliction of pain and injury, as is frequently depicted in the Saw horror franchise, is restricted to the 18 category.
Irish Film Classification Office
The Irish Film Classification Office (IFCO) is the organisation responsible for films, television programmes, and some video game classification and censorship within Ireland. Where restrictions are placed by the IFCO, they are legally binding.
1965 envelope sent to local office of 20th Century Fox with certifying cachet of the Film Censor's Office
An official cinema certificate from 1999, which would've directly preceded the film.