Article 670 Interest on a loan shall not be deducted from the principal in advance. If the interest is deducted from the principal in advance, the loan will be repaid according to the actual loan amount and the interest will be calculated.
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.
Article 680 usury is prohibited and the loan interest rate shall not violate the relevant provisions of the state. If there is no agreement on the payment of interest in the loan contract, it shall be deemed that there is no interest.