1. Commercial banks apply to the central bank for annual loans, which are limited to provincial branches or secondary branches. After borrowing money, they can allocate it to their subordinate banks in the system.

2. The seasonal loan of the central bank is a loan issued by the central bank to commercial banks to solve the temporary shortage of funds caused by the seasonal increase and decrease of credit funds, deposits and loans, and the lack of remittance and liquidation funds.

3. rediscount refers to the discount that commercial banks apply to the central bank for the unexpired discounted bills. It is the re-assignment of bill creditor's rights by commercial banks and one of the forms of loans from the central bank to commercial banks.