法律英语常用短句（4）

21. A contract may be modified if the parties reach a consensus through consultation.

当事人协商一致即可以变更合同。

22. Any amendments to this contract shall become effective only by a written agreement by Party A and Party B.

对本合同的任何修改，只有经甲、乙双方签署书面协议后方能生效。

23. Any annex is the integral part of this contract.

本合同一切附件均为本合同的有效组成部分。

24. Any departure from the terms and conditions of the contract must be advised in writing.

任何与合同条款相背离的地方，都应以书面形式通知。

25. Any failure by a party to carry out all or part of his obligations under the contract shall be considered as a substantial breach.

一方当事人不履行本合同的全部或任何部分义务均应被视为是根本违约。