R18 rating and what applies

R18: Restricted 18.To be shown only in specially licensed cinemas, or supplied only in licensed sex shops, and to adults only.

The following content is not acceptable:
• material which is in breach of the criminal law,
including material judged to be obscene under the
current interpretation of the Obscene Publications Act
1959 (see Annexe)

• material (including dialogue) likely to encourage
an interest in sexually abusive activity which may
include adults role-playing as non-adults

• the portrayal of sexual activity which involves real
or apparent lack of consent. Any form of physical
restraint which prevents participants from indicating a
withdrawal of consent

• the infliction of pain or acts which may cause lasting
physical harm, whether real or (in a sexual context)
simulated. Some allowance may be made for
moderate, non-abusive, consensual activity
• penetration by any object associated with violence or
likely to cause physical harm

• sexual threats, humiliation or abuse which do not
form part of a clearly consenting role-playing game.
Strong physical or verbal abuse, even if consensual, is
unlikely to be acceptable

These Guidelines will be applied to the same
standard regardless of sexual orientation of the
activity portrayed.