The Registration register for each month contains the double records consisting of sales under invoices (the same sum is brought in the book of daily sales) and the payments which have arrived from the customer (this sum is brought also in a cash-book). Purpose of this register - maintenance of the direct information on debitorskim to debts (money which separate customers should pay). For this purpose to each customer in the registration register of sales the separate page on which the sums under invoices and the paid sums are shown that gives as a result the sum yet not extinguished payments is taken away. Each record corresponds to certain records in the book of daily sales and in a cash-book.
