UEFA President Michel Platini made it clear yesterday there will be no going back on financial fair play rules that require European teams to only spend what they earn.

The break-even rule comes into effect from the 2014-15 season and it is already having an influence, with transfer activity down across Europe.

"We will never go back on financial fair play, it was decided unanimously by the clubs, it is a revolution in European football and we will do it," Platini told a news conference.

"We gave them time, three - four years to put everything in place. Now we're going to start working."

UEFA General Secretary Gianni Infantino revealed there was a 36 pe r cent decrease in spending last January, compared to January 2011.

The total transfer spent this year — excluding the deals on Thursday and yesterday— is 78 per cent less than the 2008-2011 average.

"The trend is starting to turn, there is a significant slowdown in transfer activity," Infantino said. "The new Club Financial Control Body monitoring this activity reports that the new Financial Fair Play Rules are having a clear and positive affect already.

"The financial losses are stabilized but still at dangerous levels."

Meanwhile, Platini took a swipe at FIFA president Sepp Blatter, criticizing his autocratic style after FIFA gave the green light to goal-line technology.