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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of January 18, 2018 (the "NDA"), a copy of which is attached hereto as Exhibit A. The terms of the NDA shall be deemed to be incorporated by reference into this Agreement, mutatis mutandis. During the Term of this Agreement and thereafter for a period of five (5) years, the parties shall be bound by all of the protective terms and conditions of the NDA. 6. Developer Liability. 6.1. Developer Liability for Damages. Developer shall be fully liable, without limitation, for money damages resulting from its improper or unauthorized use, modification, alteration, licensing or transfer of the Technology or Improvements, or resulting from its failure to provide functional and merchantable Improvements hereunder, which failure shall be deemed a material breach of this Agreement by Developer. 2 Source: HF ENTERPRISES INC., S-1, 12/23/2019 7. DSS's Representations and Warranties. 7.1. Power and Authority. DSS represents and warrants that it has the right, power and authority to enter into this Agreement and that the signatory on behalf of such party to this Agreement has full authority to enter into and bind the party to the obligations set forth in this Agreement. 7.2. Right to Technology. DSS represents and warrants to Developer (i) that the Technology is the sole and exclusive property of DSS (ii) that DSS possesses all legal right, title and interest in and to the Technology necessary to grant Developer the rights provided herein, and (iii) that nothing contained in this Agreement conflicts with any other obligation or agreement of DSS. 8. Developer's Representations, Warranties and Covenants. 8.1 Power and Authority. Developer represents and warrants that it has the right, power and authority to enter into this Agreement and that the signatory on behalf of such party to this Agreement has full authority to enter into and bind the party to the obligations set forth in this Agreement. 8.2 Reverse Engineering. Developer covenants that it shall not attempt, directly or indirectly, during the term of this Agreement or at any time thereafter, (i) to reverse engineer, by any means whatsoever, the Technology or other Intellectual Property provided to Developer hereunder, for any unauthorized purpose, and further acknowledges that such Technology and Intellectual Property has been provided hereunder by DSS solely for the purpose of enabling Developer to fully perform its legal duties and obligations hereunder, (ii) to forensically, graphically or otherwise physically analyze the Technology or Intellectual Property provided to Developer hereunder for any unauthorized purpose, or (iii) to compile/assemble, decrypt, or create any derivative works based upon the Technology or Intellectual Property of DSS, for any unauthorized purpose. Any violation of this clause shall be deemed a material breach of this Agreement by the Developer. 9. Miscellaneous. 9.1. Assignment. Developer may not assign or transfer this Agreement, nor its rights and obligations hereunder, by operation of law or otherwise, to any third party without the prior express written approval of DSS. Any purported assignment without the consent of DSS shall be void. The provisions of this Agreement shall be binding upon, and shall inure to, the benefit of the parties, their legal representatives, permitted successors and permitted assigns. The rights of Developer under this Agreement shall immediately cease and be terminated upon the sale or transfer of all or substantially all of the assets of Developer unless an assignment of such rights pursuant to such sale or transfer has been previously approved in writing by DSS. The rights of Developer under this Agreement shall immediately cease and be terminated upon the sale or transfer of no less than a majority of, or a controlling interest in or over, the voting capital or ownership capital of Developer unless an assignment of such rights pursuant to such sale or transfer has been previously approved in writing by DSS. 9.2. Remedies Cumulative; Waiver. The rights and remedies provided in this Agreement, and all other rights and remedies available to either party at law or in equity are, to the extent permitted by law, cumulative and not exclusive of any other right or remedy now or hereafter available at law or in equity. A party's failure to assert any right or remedy shall not constitute a waiver of that right or remedy. No waiver by either party of any default shall be deemed as a waiver of prior or subsequent default of the same or other provisions of this Agreement. 9.3. Severability. In the event that a court of competent jurisdiction finds any provision of this Agreement to be illegal, invalid or unenforceable, it
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Extract the exact clause related to "Expiration Date" from the excerpt above.