supplemental contract

• [经] 增补合同； 补充合同

supplemental contract的用法和样例：

例句

1. Complementary items and any annex are the integral part of this contract and equally valid.
   补充条款及附件均为本合同组成部分，与本合同具有同等法律效力。
2. All the amendments and addendum of the Contract valid only then issued in writing and sign by both Parties.
   所有合同的修改和补充必需在合同双方书面完成并签字后方可生效。