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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sentence, if any specially regulated waste must be removed pursuant to a given Project Plan, such specially regulated waste and the process for its removal shall be expressly set forth in such Project Plan. If the specially regulated waste is solely attributable to Magenta's Product and the Specifications and instructions for production of such Product, then unless the Parties otherwise agree, Magenta shall be responsible for the reasonable costs associated with the removal of such specially regulated waste. Such costs shall be included in the Project Plan or, if not specified therein, included in the price of the Services and Product. 5.17 Audits. Magenta and its agents and designees shall have the right to audit Bachem's facilities, systems, records, procedures, and documentation related to this Agreement. In connection with any such audit, Bachem shall also provide Magenta access to its personnel. Magenta may conduct no more than one (1) technical visit and one (1) quality assurance audit per year, unless there is cause for an additional audit (i.e., a technical issue or quality issue). Such audits may be conducted upon reasonable notice during the term of this Agreement and for [***] thereafter. On-site technical discussions may also be requested and held at mutually agreeable times. 5.18 Person-In-Plant. If reasonably requested by Magenta, at a mutually agreed day and time, Bachem will permit and provide working space for Magenta to staff one person on location at Bachem's premises, limited to no more than [***] days, during preparation for manufacturing and packaging of the Product. Such person shall be given reasonable access to all records, facilities and personnel working on any Services or Project Plans for the purpose or providing advice, coordinating reviews, approvals or any other actions required to ensure compliance with this Agreement to the extent that it does not compromise the confidentiality of other customers. 8 CONFIDENTIAL TREATMENT REQUESTED. INFORMATION FOR WHICH CONFIDENTIAL TREATMENT HAS BEEN REQUESTED IS OMITTED AND MARKED WITH "[***]". AN UNREDACTED VERSION OF THE DOCUMENT HAS ALSO BEEN FURNISHED SEPARATELY TO THE SECURITIES AND EXCHANGE COMMISSION AS REQUIRED BY RULE 406 UNDER THE SECURITIES ACT OF 1933, AS AMENDED. 5.19 Quality Agreement. As reasonably required by Magenta in connection with Product manufacturing activities hereunder, Bachem shall enter into a written quality agreement with Magenta (the "Quality Agreement"). Section 6. ADDITIONAL PRODUCT SUPPLY TERMS 6.1 Delivery. Unless otherwise agreed to between the Parties, delivery terms shall be DDP (Incoterms 2010) Magenta's facility located at 50 Hampshire Street, 8t h Floor, Cambridge, MA 02139, or such other destination as Magenta may instruct in writing, at which time risk of loss and responsibility for Product will transfer to Magenta. Bachem shall assume all risk and responsibility for handling, storing, rotating stock, packaging, loading and shipping all Product in accordance with applicable Incoterms. Bachem shall ship the Product in accordance with the applicable Project Plan. Delivery shall occur on the delivery dates set forth in each Project Plan and any related purchase orders or as otherwise agreed to in writing by the Parties. 6.2 Acceptance and Rejection of Products. (a) Promptly following receipt of Product, Magenta shall have the right but not the obligation to test such Product to determine compliance with the Specifications. Magenta shall have [***] after receipt of the Product to notify Bachem in writing of any rejection of Product based on a sufficiently documented claim that the Product fails to meet the Specifications. In the event that Magenta does not inform Bachem within the [***] period that the Product does not meet the Specifications, Magenta shall be deemed to have accepted the Product. If there is no dispute between the Parties over a claim that the Product fails to meet the Specifications, Bachem shall (i) replace or (ii) with Magenta's prior written consent, reprocess or rework the rejected Product within an agreed upon time frame, after the notice of such rejection, and in any case as soon as reasonably possible after receiving such notice, provided that Magenta shall, at Bachem's expense, provide to Bachem sufficient quantities of supplies required to be supplied by Magenta under the relevant Project Plan, at no additional cost to Magenta (including transportation costs), and Bachem shall make arrangements with Magenta for the return or disposal of any rejected Product, such return shipping or disposal charges to be paid by Bachem. In the event of a discrepancy between Magenta's and Bachem's test results such that one Party's test results fall within relevant Specifications and the other Party's test results fall outside
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: In the event that Magenta does not inform Bachem within the [***] period that the Product does not meet the Specifications, Magenta shall be deemed to have accepted the Product.