Beijing bronze medallist Tony Jeffries also criticised the organisation after signing pro forms with Dennis Hobson last week, although ABA chief executive Paul King said it "has no responsibility for the elite boxing programme".

BBC: Olympic champion DeGale turns pro

The ABA has made the offer, with the backing of Sport England, in an effort to persuade Khan to resist the financial lure of turning pro and to instead target a gold medal at the 2008 Olympics in Beijing.

BBC: SPORT | Boxing | Khan camp ponder ABA offer