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:
"""
that said delay does not exceed sixty (60) days from Airspan's scheduled ship date and unless Distributor has clearly advised Airspan to cancel the delayed installment in writing at least fifteen (15) days prior to its revised planned shipment date or its actual shipment date by Airspan. 8.7 Airspan will use reasonable efforts to meet Distributor's requested delivery schedules for Equipment and Software, but Airspan reserves the right to refuse, or delay delivery to Distributor when Distributor's credit is impaired, - -------------------------------------------------------------------------------- Page 10 when Distributor is delinquent in payments or fails to meet other credit or financial requirements reasonably established by Airspan, or when Distributor has failed to perform its obligations under this Agreement. 8.8 Should orders for Equipment and Software exceed Airspan's available inventory, Airspan will allocate its available inventory and make deliveries on a basis that Airspan deems equitable, in its sole discretion, and without liability to Distributor on account of the method of allocation chosen or its implementation. In any event, Airspan shall not be liable for any direct, indirect, consequential, or special losses or damages (including, but not limited to, loss of income or profit and loss of data) that may be suffered by the Distributor or by any other person for failure to deliver or for any delay or error in delivery of Equipment or Software for any reason whatsoever. 9. TRADEMARKS AND COPYRIGHTS. 9.1 Distributor acknowledges Airspan's exclusive right, title, and interest in and to any trademarks, trade names, logos and designations which Airspan may at any time have adopted, used, or registered in the United States of America and in the Territory (the "Trademarks"), and will not at any time do or cause to be done any act or thing contesting or in any way impairing or tending to impair any part of said right, title, and interest. In connection with any reference to the Trademarks, Distributor shall not in any manner represent that it has an ownership interest in the Trademarks or registration(s) thereof, and Distributor acknowledges that no action by it or on its behalf shall create in Distributor's favor any right, title, or interest in or to the Trademarks. 9.2 Distributor recognizes the validity of Airspan's copyright in any written material to which Airspan shall have made a claim to copyright protection, and Distributor specifically recognizes Airspan's exclusive right to copyright protection and/or registration of any translation of any advertising, promotional, or descriptive material furnished to Distributor by Airspan. 9.3 Whenever Distributor refers to the Trademarks in advertising or in any other manner to identify the products, Distributor shall clearly indicate Airspan's ownership of the Trademarks and before distributing or publishing any advertising, descriptive, or promotional materials, Distributor shall affirmatively provide Airspan with an opportunity to inspect and approve such materials. 9.4 Distributor agrees that when referring to the Trademarks, it shall diligently comply with all laws pertaining to the Trademarks at any time in force in the Territory. - -------------------------------------------------------------------------------- Page 11 9.5 Distributor shall promptly notify Airspan of any and all infringements, imitations, illegal uses, or misuses of the Trademarks which come to Distributor's attention. Distributor also agrees that it shall not at any time take any action in the courts or before the administrative agencies of the Territory or otherwise to prevent the infringement, imitation, illegal use, or misuse of the Trademarks, it being clearly understood by Distributor that such action falls wholly within the authority of Airspan as sole owner of the Trademarks. 9.6 Distributor agrees to render to Airspan all assistance in connection with any matter pertaining to the protection of the Trademarks, whether in the courts or before the administrative agencies of the Territory or otherwise, and to make promptly available to Airspan, its Distributors, and attorneys all of Distributor's files, records, and other information pertaining to the advertising, promotion, and sale of the Airspan Products. All assistance requested by Distributor in this paragraph shall be at AIRSPAN's expense. This Expense includes costs, attorneys' and consultants' fees, and reimbursement of time spent by officers, agents and employees of Distributor. 9.7 Distributor agrees and undertakes that it will not at any time, whether during the term of this Agreement or after its expiration or termination, adopt, use, or register without Airspan's prior, written consent any work or symbol or combination thereof which is similar to any of the Trademarks. 9.8 In the advertising and sale of Airspan Products, Distributor may use the Trademarks in relation to those Airspan Products. Distributor will not make or
"""

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