According to Games website Kotaku
Australian Classification Board Speaks On R18+ Games
Who should I be contacting to push the need for an R18+ rating for games?
Currently, the Censorship Minister is the Attorney-General for each State or Territory and the Australian Censorship Minister is the Minister for Home Affairs.
Can I import games that have been refused classification?
Customs may detain or seize any items that are suspected of contravening the Regulations. The maximum penalty for this type of offence is a fine of up to $110,000.
posted by Bob Bain