In a sale by installment payment, where the buyer failed to make payments as they became due, if the delinquent amount has reached one fifth of the total price, the seller may require payment of the full price from the buyer or terminate the contract.

• 第一百六十七条分期付款的买受人未支付到期价款的金额达到全部价款的五分之一的，出卖人可以要求买受人支付全部价款或者解除合同。