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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Section 7.3(a)(iv) shall survive the termination or expiration of this Agreement for only [**] thereafter. The termination of this Agreement shall not relieve any Party from obligations that are expressly indicated to survive termination of the Agreement. 23 Source: CONFORMIS INC, 10-Q, 11/1/2019 8.4 Return or Destruction of Confidential Information. Solely with respect to Confidential Information in which a Party has no ownership interest at all, owned or co-owned Confidential Information being exempt herefrom, upon termination of this Agreement, unless independently authorized to retain such of the Disclosing Party's Confidential Information under an Other Agreement, each Receiving Party shall, and shall direct its Representatives to, cease all use and make no further use of any Confidential Information of the Disclosing Party and shall, upon written request from the Disclosing Party, promptly return or destroy all Confidential Information of the Disclosing Party (including copies thereof) that is in tangible form (provided, however, that, with respect to electronic imaging of the Disclosing Party's Confidential Information, such materials shall be deleted and removed from access by an ordinary user from all computer hard drives, servers and similar media but shall not require any action to delete or erase such materials from any disaster recovery tapes or other back-up media or any record retention or computer storage system so long as the Receiving Party and its Representatives take such actions as are reasonably likely to prevent access to such materials by any person other than information technology and other administrative employees who are responsible for maintaining those disaster recovery tapes and other back-up media) and any documents created by the Receiving Party or any of its Representatives containing Confidential Information of the Disclosing Party. The Receiving Party shall provide to the Disclosing Party written certification of destroyed Confidential Information of the Disclosing Party promptly following the destruction thereof. Notwithstanding the foregoing, the Receiving Party and its Representatives may retain one copy of any Confidential Information of the Disclosing Party in a secure location in the Receiving Party's legal department for the purpose of establishing compliance with Applicable Laws (including professional standards) and for defending or maintaining any litigation (including any administrative proceeding) relating to this Agreement, the Other Agreement, the Prior CDA or the Confidential Information, provided that all such information shall continue to be kept confidential pursuant to the terms of this Agreement. 24 Source: CONFORMIS INC, 10-Q, 11/1/2019 ARTICLE IX RECORD-KEEPING AND AUDITS 9.1 Records Retention. Each of the Parties shall record in written or electronic form all material information with respect to the performance of its obligations relating to the R&D Program in accordance with standard industry practices. ARTICLE X MISCELLANEOUS 10.1 Agency. Neither this Agreement nor any of the Other Agreements creates any partnership, agency or other relationship among the Parties for any purpose, including for all tax purposes. No Party is granted any right or authority to assume or to create any obligation or responsibility on behalf or in the name of the other Party or to bind the other Party in any manner whatsoever. 10.2 Assignment and Change of Control. Except as otherwise provided herein, a Party shall not have the right to assign any of its rights or obligations under this Agreement (whether through a merger, sale of stock, or otherwise) without the prior written consent of the other Party; except that, either Party shall be permitted, without any need for the other Party's consent, to assign this Agreement (a) in whole or in part to an Affiliate (provided, however, that once such Person is no longer an Affiliate of the assigning Party, such former Affiliate shall assign this Agreement back to the assigning Party), provided that the assigning Party provides the other Party notice of any such assignment provided further that failure to provide such notice of such assignment shall not render such assignment void; or (b) to a Third Party in connection with sale or transfer of all or substantially all of the assigning Party's business or assets relating to the subject matter of this Agreement, whether by Change of Control, merger, sale of assets or otherwise; provided, however, that, with respect to clause (b), (i) any assignment of this Agreement shall be void and have no effect unless and until the assignee assumes the 25 Source: CONFORMIS INC, 10-Q, 11/1/2019 obligations of the assigning Party in a written instrument, a copy of which is provided to the other Party; and (ii) any assignment of this Agreement must be accompanied by a simultaneous assignment of
"""

Extract the exact clause related to "Post-Termination Services" from the excerpt above.

assistant: Not found.