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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copies of, certain proprietary documents of Medica; Medica shall at Vapotherm's request provide Vapotherm with a copy of any other document that Vapotherm requests provided it is reasonable and applicable to the Cartridges or System. -8- [* * *] = Certain confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 406 of the Securities Act of 1933, as amended. 8.3 Records. Medica shall maintain all records necessary to evidence compliance with all applicable Laws and other requirements of applicable Governmental Authorities relating to the manufacture of the Cartridge. Medica shall also maintain records with respect to its costs, obligations, and performance under this Agreement. All such records shall be maintained for a period of not less than two years from the date of expiration of each Cartridge batch to which those records pertain, or such longer period as may be required by Law or cGMPs. ARTICLE 9 CARTRIDGE RECALLS 9.1 Cartridge Recalls. If any Governmental Authority withdraws its approval to sell the Cartridge in any country or issues a directive or request that some or all Cartridges be recalled for safety reasons relating to the Cartridge or Vapotherm reasonably determines that some or all Cartridges should be recalled, and if that recall is due to any reason other than Medica having manufactured Cartridges that fail to conform to the Specifications or that was not manufactured in accordance with any applicable Laws, Vapotherm shall pay all costs, including Medica's reasonable out-of-pocket expenses, associated with that recall. Those actions may include developing reports on records pertaining to the lot traceability, assist in conducting an investigation to rule out a root cause for failure and other related activities requiring Medica's resources. Vapotherm shall provide Medica in writing specific instructions as to actions required. Medical shall in good faith provide an estimate for expenses if the request has material burden. 9.2 Notice of Events that May Lead to Cartridge Recall. Medica, on the one hand, and Vapotherm, on the other hand, shall keep each other fully and promptly informed of any notification, event, or other information, whether received directly or indirectly, that might affect the marketability, safety or effectiveness of the Cartridge or might result in a recall of any Cartridges by any Governmental Authority. 9.3 Recall Due to Breach By Medica. If there occurs any Cartridge recall that is due to Medica having manufactured one or more Cartridges that fail to conform to the Specifications or that were not manufactured in accordance with any applicable Laws, Medica will be responsible for the costs of that recall. Medica shall promptly, at the election of Vapotherm, compensate Vapotherm for the Cartridge so recalled by either replacing without charge Cartridges recalled or refunding Vapotherm the price paid by Vapotherm to Medica for the Cartridges recalled, plus freight, insurance, sales taxes, and all other costs duties, fees, and expenses paid by Vapotherm in connection with such recall. 9.4 Definition of Recall. For purposes of this Article 8, "recall" means any action by Vapotherm or any of its Affiliates, or either Medica or any of its Affiliates, to recover title or possession or halt distribution or use of any Cartridges sold or shipped to any other Persons. The term "recall" also applies to Cartridge that would have been subject to recall if it had been sold or shipped. -9- [* * *] = Certain confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 406 of the Securities Act of 1933, as amended. 9.5 Recall Process. The purpose of initiating a "recall", either party will notify the other party immediately regarding the need within 24 hrs. Vapotherm will be responsible for notifying the appropriate regulatory bodies with respect to the Cartridge. Medica will provide best efforts to support Vapotherm with the appropriate regulatory documentation in an timely fashion. Medica will make efforts to conduct the necessary investigations as it pertains to the Cartridge and report factual data has required. Medica will also take necessary efforts to take the appropriate corrective action and make best efforts to remedy the disruption in supply. ARTICLE 10 PUBLICITY; CONFIDENTIALITY; INTELLECTUAL PROPERTY 10.1 Publicity. Except as required by Law or the standards of any securities or regulatory authority, including without limitation the National Association of Securities Dealers, Medica and Vapotherm may not make any official press release, announcement, or other formal publicity relating to
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Extract the exact clause related to "Warranty Duration" from the excerpt above.