A statement from Etihad said: 'The airline's financial obligations, associated with the partnership of the club and the broader City Football Group, have always been, and remain, the sole liability and responsibility of Etihad Airways'.
The latest exposure of alleged financial doping at Manchester City has left UEFA officials "shocked", with the lawyers at European football's governing body now examining how action might be taken against the English champions.
"But I am part of the club, I am supportive of absolutely the club and we want to do what we have to do in terms of the rules".
Guardiola was also lured to Manchester by City's resources after great success with Barcelona and Bayern Munich.
According to Der Spiegel, citing documents the Guardian has not seen or been able to verify, City executives agreed a deal whereby the holding company which controlled City, the Abu Dhabi United Group, would circulate funds to Al Jazira which would then be paid back to Mancini via an offshore company in Mauritius named Sparkleglow Holdings. UEFA, FIFA and the Premier League, they do what they have to do.
"Believe me, I'm completely honest, I don't know what happened, I'm a manager, focused on the pitch, and the locker room".
When Chumillas asked his colleague Simon Pearce if they could change the date of payments from the sponsors, Pearce allegedly answered: "Of course, we can do what we want".
Since Man City was bought with Abu Dhabi sovereign wealth in 2008, a team long in the shadows of more glamorous Manchester United has overtaken its rival on the field. "The most important will be Shakhtar, first because it is the next one and second because it is a final".
However, leaked internal emails in German publication Der Spiegel look to confirm that City's wealthy owners have pumped millions of pounds into the club outside the permitted limits of the FFP rules, using their other Abu Dhabi based investments such as "Etihad Airlines" as an aid to bend the rules.
Man City apparently wanted to shift some costs away from the club and helped set up a shell company called Fordham Sports Management with two British investors.
Der Spiegel said this helped turn nearly 30 million euros ($34 million) into revenue instead of a cost, for the goal of UEFA's investigation of club accounts.