Mario Balotelli will have a good behaviour clause inserted into his contract with AC Milan, banning extravagant haircuts and clothing and committing him to a healthy lifestyle.

The club's chief executive Adriano Galliani based the clause on regulations which are applied to people who serve in the Italian air force.

Balotelli must not damage the image of the club and his Twitter, Facebook and Instagram posts will be closely monitored.

He will be banned from extravagant haircuts and clothing, from smoking and from visiting nightclubs and must turn up on time for training. His drinking will also be limited.

The 25-year-old, repeatedly criticised for his poor work rate, is set to return to Milan a year after leaving for Liverpool, where he had a dismal season.

He underwent a medical in Milan on Tuesday ahead of an unexpected loan move, although the deal has not yet been officially confirmed, but he controversial Italian striker has said a fond farewell to Liverpool on his Facebook page.

"I'm grateful to Liverpool FC and Liverpool fans for the time and opportunities you gave me," he wrote. "It's not a goodbye but rather a farewell.

"I'll be supporting you guys all the way in every competition... unless you face AC Milan."