Balancing a cash register’s till is important to ensure that actual cash in the till matches with the cash register’s X read at the end of a shift or at the end of a business day. Start by counting the large denominations of paper notes, then in descending order of denomination until a total has been calculated. Compare this with the cash balance shown on the X read. Imbalances may be due to user error, theft, or incorrectly voiding transactions (e.g. marked as cash but cancelled).