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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ninety days, except for those Products specifically identified in the Price List as provided " AS IS" with no warranties. B. HARDWARE WARRANTY. NETGEAR warrants to end-user that each item of Hardware will be free from defects in workmanship and materials for its respective warranty period which begins on the date of purchase by the end user. Should a Product fail within this warranty period, Distributor shall replace such defective Product from Distributor's inventory and accept return of the failed Product from Distributor's customer. At intervals to be mutually agreed upon between NETGEAR and Distributor. Distributor shall contact NETGEAR to receive a Return Material Authorization number for the collected failed Product. Upon receipt of the failed Product, NETGEAR shall issue a credit to Distributor for Distributor's purchase price of the replacement Product issued, less any prior credits or allowances. End-users' exclusive remedy is to receive replacement Product from reseller and NETGEAR's sole obligation and liability under this warranty is to issue an off-setting credit to reseller for Product returned by reseller on behalf of its end-user because of defects in workmanship or material. C. SOFTWARE WARRANTY. NETGEAR warrants to the end-user that each item of Software, as delivered or updated by NETGEAR and properly installed and operated on the Hardware or other equipment it is originally licensed for, will function substantially as described in its then-current user documentation during its respective warranty period. If any item of Software fails to so perform during its warranty period, as the sole remedy NETGEAR of NETGEAR's supplier will at its discretion provide a suitable fix, patch or workaround for the problem which may be included in a future revision of the Software. For specific Software which is distributed by NETGEAR as a licensee of third parties, additional warranty terms offered by such third parties to end-users may apply. INGRAM NETGEAR Distributor Agreement 5 083096 D. DISTRIBUTOR'S INTERNAL USE WARRANTY. For Products ordered under this Agreement for Distributor's internal use, NETGEAR provides Distributor the same warranties as described above for end-users. E. LIMITATIONS. NETGEAR does not warrant that any item of Software is error-free or that its use will be uninterrupted. NETGEAR is not obligated to remedy any Software defect which cannot be reproduced with the latest revision of the Software. These warranties do not apply to any Product which has been (i) altered, except by NETGEAR or in accordance with its instructions, or (ii) used in conjunction with another vendor's product resulting in the defect, or (iii) damaged by improper environment, abuse, misuse, accident or negligence. Replacement parts furnished under this warranty may be refurbished or contain refurbished components. THE FOREGOING WARRANTIES AND LIMITATIONS ARE EXCLUSIVE REMEDIES AND ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED, INCLUDING WITHOUT ANY LIMITATION WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. ANY PRODUCT THAT MAY BE FURNISHED BY NETGEAR WHICH IS NOT LISTED IN THE PRICE LIST, OR WHICH IS IDENTIFIED IN THE PRICE LIST AS AN "AS IS" PRODUCT, IS FURNISHED "AS IS" WITH NO WARRANTIES OF ANY KIND. 8. PRODUCT RETURNS Prior to returning any Product, whether for exchange or warranty or non-warranty action, Distributor must obtain a Return Materials Authorization (RMA) number from NETGEAR. Distributor should return the product to NETGEAR, [*]. NETGEAR will not accept collect shipments. Any Product returned to NETGEAR, which is not returned in accordance with the terms of this Agreement, may be rejected. 9. PRODUCT EXCHANGE PRIVILEGES A. Distributor may return previously purchased Products for replacement by an equal or greater value of different Products, under the following conditions: a) Distributor may return Products only within the [*] period following [*] of each year. b) The total value of the returned Products shall not exceed [*] of the Net Shipments invoiced by NETGEAR for all Products, [*], during the [*] immediately preceding each of the above dates. c) The replacement Products are not identical to the returned Products. Distributor shall be invoiced for the replacement Products at prices in effect at the time of return, and credited for the value of the returned products at the prices actually paid by the Distributor less any prior credits. d) The returned Products have not been in the Distributor's inventory for more than [*] after shipment from NETGEAR. e) The returned Products are in their original shipping containers and have not been altered, damaged or used. 10. DISTRIBUTOR'S RESPONSIBILITIES INGRAM NETGEAR Distributor Agreement 6 083096 A. PROMOTION AND SALE. Distributor shall sell or license Products only to resale
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: Distributor may return previously purchased Products for replacement by an equal or greater value of different Products, under the following conditions: a) Distributor may return Products only within the [*] period following [*] of each year.