Denial of access to the bank account number where the payments have been made to an architect hired by the town council

The access of the entity to the relative datum to the complete ordinary account number is not enough justified, from the point of view of the data protection, that it figures in the bills sent by an architect in the sinus of the execution of a contract granted by the Town Council, to the effects of demonstrating a possible irregular or illicit performance on the part of the municipal architect in the award of these contracts.