The fundamental reason for loans overdue's housing accumulation fund is that the borrower fails to repay at the same time according to the time and amount stipulated in the contract.
1. housing provident fund loans are overdue for more than 3 installments (inclusive) and less than 6 installments (exclusive);
2. In the last 2 years, the accumulated overdue period of commercial loans has reached 3 periods (inclusive) and 6 periods (excluding student loans).