The loan extension period stipulated in the General Principles of Loans is as follows: the current short-term loan extension period shall not exceed the original loan period; The cumulative extension period of medium-term loans shall not exceed half of the original loan period; The cumulative extension period of long-term loans shall not exceed 3 years. Unless otherwise stipulated by the state. The loan interest rate approved for extension can be re-determined by the bank according to different situations. When the loan extension period is increased to the new interest rate term grade, the loan interest will be charged at the new term grade interest rate from the date of extension.