Legal basis: Civil Code of People's Republic of China (PRC).
Article 674 The borrower shall pay interest at the agreed time limit. If the time limit for paying interest is not stipulated or clearly stipulated, it cannot be determined in accordance with the provisions of Article 510 of this Law. If the loan term is less than one year, it shall be paid when the loan is returned. If the loan term is more than one year, it shall be paid at the end of each year. If the remaining term is less than one year, it will be repaid together with the loan.
Article 675 The borrower shall repay the loan within the agreed time limit. If there is no agreement or unclear agreement on the loan term, and it cannot be determined according to the provisions of Article 510 of this Law, the borrower may return it at any time, or may urge the borrower to return it within a reasonable period.
Article 676 If the borrower fails to repay the loan within the agreed time limit, it shall pay the overdue interest in accordance with the agreement or the relevant provisions of the state.