Where the interest rate agreed on by the borrower and the lender does not exceed 24% of the annual interest rate, and the lender requests the borrower to pay the interest based on the agreed interest rate, the people's court shall support such request. Where the interest rate agreed on by the borrower and the lender exceeds 36% of the annual interest rate, the agreement on the excess part of the interest shall be invalid. Where the borrower requests the lender to return the part of interest exceeding 36% of the annual interest that has been paid, the people's court shall support such request.