Rally Isle of Man organisers have confirmed that September's event will return to its traditional three-day format.
Chairman John Gill also confirmed that the event will incorporate the Druidale Motor Clubs' Duke Stages Rally.
Gill said: "We are proud of the fact that it has a heritage to live up to and excited to take the first step to delivering a traditional event."
The rally will take place between Thursday, 20 and Saturday, 22 September.
He added: "The organising team is fully aware of this event's standing at the heart of British and Irish rallying and since the return was announced many competitors have told us they would like to see it come back as three days."
The opening evening is set to feature four stages, before daytime and evening legs on Friday and daytime stages throughout Saturday.
The Manx event was last a three-day event in 2008 when its recently-announced Patron Mark Higgins and co-driver Rory Kennedy scored the closest ever victory in the rally's history.
The route for the 2012 edition is currently being confirmed with local authorities.