书面通知对方。最后一方的批准日期为本合同生效日期。
15.2 本合同有效期自合同生效之日起为___________ 年。
15.3本合同期满时，合同项下的任何未了的债权债务不受合同期满的影响。
15.4 本合同的附件为本合同不可分割的组成部分，与合同正文具有同等法律效力。如合同正文与附件有矛盾之处，合同正文内容优先。
15.5 所有对本合同的修订、补充、删减、或变更等均以书面完成并经双方授权代表签字后生效。生效的修订、补充、删减、或变更构成本合同不可分割的组成部分，与合同正文具有同等法律效力。
15.6 双方之间的联系应以书面形式进行，涉及重要事项的传真应随后立即以挂号信件或特快专递确认。
15.7 本合同用中英文两种文字写成，两种文字具有同等效力。本合同正本一式四份，双方各二份。
委托方: ________________________________
地 址: ________________________________
邮 编: ________________________________
电 话: ___________传 真: _____________
授权代表签字: __________________________
签字日期: ______________________________
咨询方: ________________________________
地 址: ________________________________
邮 编: ________________________________ 电 话: ___________
传 真: _____________
授权代表签字：__________________________
签字日期：______________________________
国际技术咨询服务合同
英文文本
Technical Consultancy Service Contract
Contract No.:________________________.
Date of Signature:____________________.
Place of Signature:____________________.
This Contract is made and entered into through friendly negotiation by and between China____________________ (hereinafter referred to as "Client"), as one party, and____________________ (hereinafter referred to as"Consultant"),as the other party, concerning the technical consultancy service of__________, under the following terms and conditions: Article 1 Contents of Technical Consultancy Service
1.1 Whereas Client desires to obtain the technical consultancy service of from Consultant and Consultant has agreed to perform such services.
1.2 The Scope of Technical Services is defined in Appendix 1.
1.3 The Time Schedule for the Services is shown in Appendix 2.
1.4 The Manning Schedule is described in Appendix 3.