To control an auditing result and a counting result of new money without changing a program of a host device control part.

This money processor is provided with an auditing CPU 44 for controlling an auditing part 3, the auditing part 3 having an audit sensor, a mechanical control CPU 45 for controlling the whole money processor, and a first storage part 48 for storing a transaction history, and is provided with a second storage part 40 in the auditing part 3, and is provided with a setting means for setting an operation mode for indicating the possibility of handling of new money of a new standard and current money in the same money kind as the current money, and a readout means for readout. The auditing CPU 44 and the mechanical control CPU 45 are connected via a communication control part 46. The second storage part 40 holds a discriminating mode for determining truth or falsehood of the new money and the current money, and informs the auditing CPU 44 of the mode from the mechanical control CPU 45 before issuing respective operation commands.