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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Dynamic Hearing's expense unless the auditor finds an underpayment royalty due under this Agreement in excess of 5% in which case IntriCon must reimburse Dynamic Hearing's reasonable cost of such audit; and (d) Audits will be limited to one audit in any calendar year. 7.0 Confidentiality (a) not disclose any Confidential Information to any person, except in confidence as permitted by this Agreement; (b) not use any Confidential Information except as reasonably necessary for the purpose of putting this Agreement into effect (Permitted Purpose); (c) restrict access to Confidential Information to those of its employees and officers for whom such access is not reasonably necessary for the Permitted Purpose; (d) ensure that its employees and officers comply with this Agreement; and (e) not reproduce or record, or permit or cause any reproduction or recording of, any Confidential Information except to the extent reasonably necessary for the Permitted Purpose. 7.3 This clause 7.0 does not apply where the party receiving the Confidential Information can prove that: 8.1 Dynamic Hearing will be solely responsible at its cost and at its discretion for applying for, obtaining, maintaining, defending and enforcing all aspects of all rights in respect of the Licensed Subject Matter and IntriCon must: 8.2 IntriCon must notify Dynamic Hearing immediately upon becoming aware of: 13 (a) the information has become generally available to the public other than because of a breach of this Agreement, or any obligation of confidence owed to the disclosing party; (b) it has received the information from a third person, legally entitled to possess the information and provide it to that party, if that information is used, disclosed or otherwise dealt with in accordance with the rights or permission lawfully granted to that party by that third person; or (c) the disclosure of information is necessary to comply with any applicable law or legally binding order of any court, government, semi-government authority or administrative or judicial body or the applicable rules of any stock exchange, provided that before any such disclosure, the receiving party must, at its cost: (i) immediately notify the other party giving full details of the circumstances of the proposed disclosure and of the relevant information to be disclosed; (ii) give the other party a reasonable opportunity to protect or preserve the confidentiality of the relevant information; (iii) co-operate with the other party in any action taken under this paragraph (c); and (iv) in any event, take all reasonable steps to preserve the confidentiality of the information being disclosed. 8.0 Maintenance, Infringement and Third Party Proceedings (a) provide all reasonable assistance to Dynamic Hearing in any action which Dynamic Hearing may take in relation to any such matters; and (b) not take any action in relation to any such matters without the prior written consent of Dynamic Hearing, to be given at Dynamic Hearing's absolute discretion. (a) any claim or allegation that the exercise of the rights under this Agreement constitutes an infringement of the rights of any third party; and 9.1 Dynamic Hearing hereby represents that, as at the Commencement Date none of the Key Personnel has any actual knowledge that, save for any rights claimed to be owned or held by the HIMPP, any rights of any third person may be infringed by the exercise, in accordance with this Agreement of the rights licensed under clause 3. 9.2 IntriCon accepts that neither Dynamic Hearing nor any person acting on its behalf has made any representation that (a) any patent applications comprised in the Technology will be granted in any part of the Territory or (b) any registered rights arising should any such applications be granted, will be, or any registered rights comprised in the Technology are, valid or enforceable. 9.3 Dynamic Hearing will not be responsible for: 10.1 IntriCon must indemnify Dynamic Hearing and its Related Bodies Corporate and their respective directors, officers, employees and agents from and against any claims, losses, liabilities, costs, expenses (including investigative costs, court costs, legal fees, penalties, fines and interest) and damages of any kind (including those which are prospective or contingent) whatsoever and howsoever, directly or indirectly arising out of or in connection with this Agreement, including liability arising in connection with: 14 (b) any third party's infringement or threatened infringement of any rights subsisting in the Licensed Subject Matter. 9.0 Representations and Warranties (a) the delivery, installation, or support of the Software to end-users of any Product or any other third party; or (b) the supply, service, installation, and maintenance of any product (including
"""

Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.

assistant: Not found.