Abstract: Electronic cash register system comprising a plurality of electronic cash registers and a consolidator unit associated with said cash registers,each of the cash registers including a register storage means for storing data entered into the register by an operator and communicating means for transmitting the data stored in the register storage means to the consolidator unit,the consolidator unit including a consolidator storage means for storing the data transmitted from said communicating means in a discrete storage area thereof corresponding to the operator, and the communicating means being operative when a cash register operator retires from one of said cash registers.