Refers to quarterly or monthly interest settlement. According to the information of China Bank official website, irregular interest settlement refers to quarterly or monthly interest settlement, which is applicable to demand deposits. Interest on demand deposits is settled quarterly, and the settlement period is June and 65438+February of each year, while the term of time deposits is less than one year, and the settlement method is to pay interest on a monthly basis and repay the principal at maturity. Some certificates of deposit also pay interest on a monthly basis, which is adopted by the Bank of China.