An investigation into the race Kieren Fallon lost in controversial circumstances at Lingfield is expected to take several weeks to complete. Ballinger Ridge, ridden by Fallon, was beaten into second after apparently easing up a furlong out, amid reports of suspicious betting patterns.
"There has been no inquiry date set," said Jockey Club spokesman Owen Byrne, following Monday's race.
"It will take a bit of time to check the betting patterns."
He continued: "Some investigations never go to an inquiry. If the investigation does not turn up enough evidence, for example, then no inquiry will be held.
"In this case, though, there will definitely be a meeting of the disciplinary panel over the dropping of hands as it is a riding offence."
The riding offence carries a maximum 21-day ban.
A newspaper report suggested on Thursday that �1.5m was staked on the race with the betting exchange Betfair.
Betting exchanges allow punters to make money by backing horses to lose, as well as winning.
At Lingfield, Fallon was in front from the start and built up a 10-length lead, before being caught on the line.
A group of about 100 punters booed the six-time champion jockey on his return to the weighing room.
But the horse's trainer Andrew Balding said Ballinger Ridge was a difficult horse to ride and the incident looked worse than it was.
Fallon has been praised for his riding since returning from a serious shoulder injury which almost ended his career.
After he won the 2003 Epsom Derby on Kris Kin, trainer Sir Michael Stoute hailed the ride as one of the best ever in the race.
MMIX
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