While it wasnt the only rule that theyd broken, City were facing a potential transfer ban after breaching article 19 of the FIFA Regulations on the Status and Transfer of Players.
But The Daily Mail has confirmed that Manchester City will not be hit with a ban on signing new players, instead being fined £315,000 by FIFA.
Its claimed that the authorities disciplinary committee took into account that City have accepted they didnt stick to the rule book, even though FIFA and the Court of Arbitration for Sport often punish breaches of underage player transfers the most severely.
The Manchester Evening News suggests that Citys breach came in relation to the transfers of teenagers George Davies and Dominic Oduro from the Right to Dream Academy in Ghana to Danish side Nordsjaelland.
Both players told Danish media that they were signed and had played for the clubs youth teams before turning 18, which is against FIFAs legislation.
A FIFA statement read: "The FIFA disciplinary committee has sanctioned English club Manchester City FC for breaches relating to the international transfer and registration of players under the age of 18.
Manchester City have been sanctioned by FIFA for international transfers of minors and avoided a transfer ban. Theyve instead been fined £314,000. #MCFC
— Kristian Sturt (@FootieWriter) August 13, 2019
"Manchester City FC was found to have breached, amongst others, article 19 of the FIFA Regulations on the Status and Transfer of Players.
"The disciplinary committee took into account the fact that Manchester City FC accepted its responsibility and sanctioned the club with a fine of 370,000 Swiss francs."