Wikipedia Summary of Release

• Originally given a 15 rating by the BBFC
• Due to scenes where Logue encourages the King to shout profanities to relieve stress
• Salt and Casino Royale both include torture scenes yet are 12As 
• Following Hooper's criticism the board lowered the rating to a 12A
• Motion Picture Association of America gave the film an R rating - have to be 17 or accompanied by an adult
• Harvey Weinstein, the producer, said he was considering having the film re-edited to remove some of the profanity, so that it would receive a lower classification and reach a larger audience 
• Tom Hooper refused to cute the film although he considered covering the swear words with bleeps 
• Helena Bonham Carter also defended the film saying the film is not violent and is full of humanity and wit 
• Firth noted that the context of the use wasn't offensive 
• An alternate version with the profanities muted out of the soundtrack was classified PG-13 by the MPAA, this version will be released to theatres across the US, replacing the R-rated cut. 
• Distributed by Transmission in Australia, Momentum Pictures in the UK, the Weinstein Company in North America