Article 2 where a contract was formed before the operative date of the contract law , but the prescribed time limit for performance extends beyond , or commences after , the operative date of the contract law , if a dispute arises out of its performance , the relevant provisions of chapter four of the contract law shall apply 第二条合同成立于合同法实施之前，但合同约定的履行期限跨越合同法实施之日或者履行期限在合同法实施之后，因履行合同发生的纠纷，适用合同法第四章的有关规定。
The composition of the former is usually made up of 4parts : i ) the contract is established ; ii ) the time of breach is between the establishment of the contract and the beginning of performance period of the contract ; iii ) express and positive refusal of performance ; iv ) the obligations refused to perform are the main of the contract 明示预期违约的构成有四大要件：第一，合同有效；第二，违约时间是在合同成立后，履行期限届至前；第三，一方当事人明确、肯定地表示将不履行合同义务；第四，不履行的义务至少是合同主要义务。
Where the hired work is not capable of being completed due to failure by the hirer to fulfill its obligation to assist , the hiree may demand performance from the hirer within a reasonable period and extend the time of its own performance ; where the hirer fails to perform at the end of such period , the hiree may terminate the contract 定作人不履行协助义务致使承揽工作不能完成的，承揽人可以催告定作人在合理期限内履行义务，并可以顺延履行期限；定作人逾期不履行的，承揽人可以解除合同。
Seen from the transaction course of the financial leasing , it is characterized as long term of performance ( the term of lease ) , non - currency of the leased equipment , the lessee ' s possession of the equipment during the whole leasing period , and whether the lessor ' s obligatory right of rentals will be realized entirely depends on the credit and debt servicing ability of the lessee . therefore , among the three parties of the financial leasing , the rights of the lessor are most easily injuried 从融资租赁的交易过程来看，融资租赁具有合同履行期限(租期)较长、承租人在整个租期内占有租赁物、租赁物为承租人专用而不具备通用性、出租人租金债权的实现与否究全依赖于承租人的信用和偿债能力等特点，因此，出租人在融资租赁交易三方当事人中的权益最易受到损害。
