Hé / tóng / guī / dìng / chāo / guò / miǎn / fèi / qī / xiàn / hòu / kè / hù / xū / yào / zhī / fù / yán / wù / fèi合同规定,超过免费期限后,客户需要支付延误费。The contract states that the customer must pay demurrage after the free period ends.