system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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consent of the other Party. 3.3 Entire Agreement; Amendment This Agreement constitutes the entire agreement between the Parties, and supersedes all prior documents and agreements in connection with the Transaction. Such documents or agreements shall be null and void immediately and cease to be applied. Except as otherwise provided herein, both Parties' consent in writing is necessary to amend, waive, rescind or terminate the Agreement or any terms and conditions. 3.4 Notice All notices and other expression of intent hereunder shall be issued in writing and shall be deemed duly given by registered mail or express delivery or personal delivery to the following address: (1) if to ChipMOS: ChipMOS TECHNOLOGIES INC. Representative: Shih-Jye Cheng Address: No. 1, Yanfa 1st Rd., Hsinchu Science Park, Hsinchu, Taiwan - 4 - Confidential (Translation, for reference only) (2) if to Tsinghua Unigroup: Tsinghua Unigroup Ltd. Representative: Weiguo Zhao Address: F10 Unis Plaza, Tsinghua Science Park, Haidian District, Beijing, PRC The delivery may also be made to another address provided by a Party to the other Party in writing. The notices and other expressions of intent for the purpose of this Agreement shall be deemed received: when delivered by express delivery or personal delivery, at the actual time of receipt; when delivered by mail, at the actual time of receipt or 72 hours after mailing (whichever is earlier). 3.5 No Waiver No omission or delay of either Party to exercise any right, power or remedy herein shall prevent such Party from exercising such right, power or remedy in the future. Any right, power and remedy that either Party enjoys pursuant to this Agreement shall survive, unless the Party expressly waives such right, power or remedy in writing. All rights, powers or remedies which each Party of this Agreement may claim, pursuant to the laws and this Agreement, shall not preclude other rights, powers or remedies that such Party may claim pursuant to the laws or this Agreement. 3.6 Expenses Regarding the expenses arising from this Agreement and the Transaction, each Party shall bear the expenses occurred by it pursuant to the nature of such expenses and the relevant provisions. 3.7 Severability If any provision of this Agreement is held to be illegal, unenforceable or invalid by the judgment or ruling of the court, other provisions herein shall remain in full force and effect. 3.8 Headings and Subheadings The headings and subheadings herein are solely for ease of reference by the Parties, and shall not be used to interpret this Agreement. - 5 - Confidential (Translation, for reference only) 3.9 Confidentiality The Parties agree that the Parties will not disclose information in connection with the execution, existence, content, and performance of this Agreement to any third party before the Parties have made an announcement to the public pursuant to Section 3.11 of this Agreement. However, the foregoing restriction shall not apply to disclosure made to the board of the directors, management team, and relevant employees who need to know such information, attorneys, accountants, financial counsel, and competent authorities for the purposes of performing this Agreement. 3.10 Actual Performance The Parties acknowledge and agree that if any of the provisions provided herein are not performed in accordance with the specific terms and conditions or are otherwise violated, this will cause irreparable damages for which monetary compensation would not be an adequate remedy. Therefore, the Parties agrees that, in addition to any other remedies available in common law or equity, each Party shall be entitled to seek injunction and other equitable remedies, including the actual performance of the terms and conditions provided herein, and it is not necessary to post any bond or other security. 3.11 Announcement The Parties shall not make an announcement to the public without the consent of the Parties regarding the execution and content of this Agreement and information in connection with the performance of this Agreement, which includes, but is not limited to the disclosure of material information, pursuant to the laws and the content thereof. The Parties shall negotiate and determine whether to make the announcement by press release, press conference or any other method and the content of the announcement. However, in the event that a Party discloses the above-mentioned information pursuant to the laws or requests made in judicial proceedings, and the disclosing Party could not obtain the consent of the other Party in time or the other Party refused to provide its consent without proper reasons after the disclosing Party notified the other Party of such situation, then the
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Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.