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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be excused from performance of its obligations on a day-to-day basis to the extent Distributor's obligations relate to the performance so prevented, restricted, or interfered with), provided that Airspan shall use its best endeavors to avoid or remove such causes of non-performance and both parties shall proceed to perform with dispatch whenever such causes are removed or cease to exist. 13. TERM AND TERMINATION. 13.1 This Agreement shall remain in effect for sixty (60) months from the Effective Date (the "Initial Term"). After the Initial Term, the term of the Agreement may be extended by a further period of five (5) years by mutual written agreement by the parties in the form of an amendment to this Agreement. If Distributor wishes to extend the term of the Agreement beyond the Initial Term, it must notify Airspan in writing at least six (6) months prior to then end of the Initial Term. However, nothing contained herein shall be interpreted as requiring either party to renew or extend this Agreement. Notwithstanding the provisions of this section or of any other provisions of this Agreement, this Agreement may be terminated prior to the expiration of its stated term as set forth below. 13.2 Either party may terminate this Agreement at any time during the term of this Agreement if either party fails materially to comply with any covenant, term, or provision of this Agreement, by written notice given to the other party not less than thirty (30) days prior to the effective date of such termination. Either party's right to terminate this Agreement under this Section 13.2 may not be exercised unless said - -------------------------------------------------------------------------------- Page 16 party shall have given the other party written notice of the failure, and the other party has not cured the failure within the thirty (30) day period following notice from said party. 13.3 This Agreement terminates automatically for just cause, with no further act or action of either party if: (a) a receiver is appointed for Distributor or its property; (b) Distributor&sbsp;makes an assignment for the benefit of its creditors; (c) any proceedings are commenced by, for, or against Distributor under any bankruptcy, insolvency, or debtor's relief law; or (d) Distributor is liquidated, dissolved, or otherwise terminates its activities. 13.4 In the event of termination by either party for any reason, Distributor shall provide Airspan with lists of existing customers as well as other information necessary for an orderly changeover of representation in the Territory. 13.5 Upon termination, Distributor shall immediately return to Airspan all Confidential Information, and Distributor agrees that neither it nor any company or organization controlled or directed by it shall divulge the contents of such material to any person at any time, notwithstanding the termination of this Agreement. 13.6 Airspan shall not be liable to Distributor for damages of any kind, including incidental or consequential damages, on account of the termination of this agreement in accordance with this section 13. Airspan shall not be liable to Distributor on account of termination or expiration of this Agreement for reimbursement or damages for loss of goodwill, prospective profits, or anticipated orders, or on account of any expenditures, investments, leases, or commitments made by either party, or for any other reason whatsoever based upon or growing out of such termination or expiration. Airspan will recognize payments due to Distributor for orders received up to ninety (90) days after the termination or expiration of this Agreement. 13.7 Distributor acknowledges and agrees that: (a) Distributor has no expectation and has received no assurances that its business relationship with Airspan will continue beyond the states term of this agreement or its earlier termination in accordance with this section, that any investment by Distributor in the promotion of Airspan's Products will be recovered or recouped, or that Distributor shall obtain any anticipated amount of profits by virtue of this Agreement; and (b) Distributor shall not have or acquire by virtue of this Agreement or otherwise any vested, proprietary, or other right in the promotion of Airspan's Products or in any goodwill created by its efforts hereunder. 13.8 This Section 13.8, as well as the provisions of Sections 9, 10, 11, 16, 17 and 18, shall survive the termination of this Agreement. - ------------------------------------------------------------------------------- Page 17 14. WARRANTY. 14.1 THE WARRANTIES SET FORTH IN SECTIONS 14 AND 15 OF THIS AGREEMENT ARE IN LIEU OF, AND Airspan HEREBY DISCLAIMS, ALL OTHER WARRANTIES AND CONDITIONS, WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, THE IMPLIED TERMS AND WARRANTIES OF SATISFACTORY QUALITY, MERCHANTABILITY
"""

Extract the exact clause related to "Anti-Assignment" from the excerpt above.