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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Such plan shall include considerations of, among other things, notification, remediation and retrieval. In the event that a Party becomes aware of an unauthorized disclosure of Confidential Information, then such Party shall notify the other Party promptly in writing. 12.7 Prior CDA. As of the Effective Date, the terms of this ARTICLE 12 shall supersede any prior non-disclosure, secrecy or confidentiality agreement between the Parties (or their Affiliates) dealing with the subject of this Agreement, including the Confidentiality Agreement between the Parties dated [***]. Any information disclosed pursuant to any such prior agreement shall be deemed Confidential Information of the applicable Party for purposes of this Agreement, to the extent that such information was deemed to be "Proprietary Information" under such prior agreement. 39 Source: AIMMUNE THERAPEUTICS, INC., 8-K, 2/5/2020 ARTICLE 13 TERM AND TERMINATION 13.1 Term. This Agreement shall become effective on the Effective Date and, unless earlier terminated pursuant to this ARTICLE 13, shall remain in effect on a Product-by-Product and country-by-country basis until the expiration of the Royalty Term applicable to such Product and country (the "Term"). Upon expiration of this Agreement with respect to a Product in a country, the licenses granted to Aimmune pursuant to this Agreement shall continue in full force and effect on a fully-paid basis. 13.2 Termination for Breach. Either Party may, without prejudice to any other remedies available to it at law or in equity, terminate this Agreement upon written notice to the other Party in the event that the other Party (the "Breaching Party") shall have materially breached or defaulted in the performance of any of its obligations. The Breaching Party shall have sixty (60) days (thirty (30) days in the event of non-payment) after written notice thereof was provided to the Breaching Party by the non-breaching Party to remedy such default. Unless the Breaching Party has cured any such breach or default prior to the expiration of such sixty (60) day period (thirty (30) day period for non-payment), such termination shall become effective upon receipt of the written notice of termination by the Breaching Party to be given within ten (10) days of the end of such sixty (60) day period (thirty (30) day period for non-payment). Notwithstanding the foregoing, in the event that Aimmune as the Breaching Party has materially breached or defaulted in the performance of any of its payment obligations under this Agreement a third time or more in any three (3) year period, then Xencor shall have the right to terminate this Agreement immediately by providing written notice Aimmune, without Aimmune having opportunity to cure such breach or default. 13.3 Termination as a Result of Bankruptcy. Each Party shall have the right to terminate this Agreement upon written notice as a result of the filing or institution of bankruptcy, reorganization, liquidation or receivership proceedings, or upon an assignment of a substantial portion of the assets for the benefit of creditors by the other Party; provided that such termination shall be effective only if such proceeding is not dismissed within ninety (90) days after the filing thereof. 13.4 Termination by Aimmune. Aimmune may terminate this Agreement in its entirety at any time for its convenience upon sixty (60) days' prior written notice to Xencor. 13.5 Termination by Xencor. Without limitation of its rights under this ARTICLE 13, Xencor may also terminate this Agreement in its entirety as applicable, pursuant to the provisions of Section 9.7. ARTICLE 14 EFFECTS OF EXPIRATION OR TERMINATION 14.1 Licenses. Upon the termination of this Agreement: 14.1.1 all rights and licenses granted to Aimmune hereunder shall immediately terminate and be of no further force and effect and Aimmune shall cease Developing, Commercializing, Manufacturing and Packaging and Labeling such Product in and for all applicable countries; provided, that Aimmune and its Affiliates will be entitled, during the period 40 Source: AIMMUNE THERAPEUTICS, INC., 8-K, 2/5/2020 ending on the last day of the [***] following the effective date of such termination, to sell any inventory of Product affected by such termination that remains on hand as of the effective date of the termination, so long as Aimmune pays to Xencor all amounts payable hereunder (including milestones) applicable to said subsequent sales, as applicable, in accordance with the terms and conditions set forth in this Agreement and otherwise complies with the terms set forth in this Agreement. 14.1.2 Aimmune hereby grants to Xencor an exclusive license under and with respect to Aimmune Patents, and a non-exclusive license under and with respect to Aimmune Know-How, in
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Extract the exact clause related to "Expiration Date" from the excerpt above.

assistant: This Agreement shall become effective on the Effective Date and, unless earlier terminated pursuant to this ARTICLE 13, shall remain in effect on a Product-by-Product and country-by-country basis until the expiration of the Royalty Term applicable to such Product and country (the "Term").