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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[***] days as of the purchase order's date. Purchase orders issued by MediWound to CBC during a certain year for quantities exceeding [***]% of the applicable Annual Forecast shall be binding upon CBC, except that with respect to any amounts exceeding [***]% of the applicable Annual Forecast, CBC's obligation to provide such exceeding quantities shall be based on best efforts and CBC shall have an extended lead time for delivery as shall be agreed upon by the parties on a case by case basis. CBC shall confirm in writing, within 5 days of its acceptance of such exceeding purchase order, and shall state the anticipated delivery date for the exceeding amounts. Without derogating from CBC's obligations under this Agreement, in the event that CBC is unable to supply all the Bromelain SP covered under any purchase order on the dates specified in the applicable supply plans, CBC shall promptly notify MediWound in writing in a separate notice to MediWound of such delay or noncompliance. In such event, and without prejudice to any other remedies *** Confidential treatment has been requested for redacted portions of this exhibit. This copy omits the information subject to the confidentiality request. Omissions are designated as [***]. A complete version of this exhibit has been provided separately to the Securities and Exchange Commission. 11 available to MediWound, CBC shall use its best efforts to fully comply with the purchase order as soon as possible. 6.3 CBC shall be responsible to prepare the shipment of Bromelain SP in accordance with a shipment SOP. Such shipment SOP shall comply with the regulatory requirements as well as specify the documents that should accompany any shipment (i.e. pro forma invoice, value for customs, specific declaration, and specific requirement for investigational products). CBC shall provide MediWound with copies of documents and reports with respect to each shipment of Bromelain SP, for quality assurance, quality control and regulatory purposes. 6.4 Prior to delivery of each batch of Bromelain SP, CBC shall submit a batch sample to MediWound for inspection and approval. MediWound shall have the right, for a period of [***] days following receipt, to reject any Bromelain SP sample which: 6.4.1 fails to comply with MediWound's purchase order; or 6.4.2 fails to comply with the sample incoming inspection Specifications. Within the said [***] days, MediWound shall notify CBC of either: (i) its approval and acceptance of such batch sample ("Acceptance Sample Notice"); or (ii) its rejection of the batch sample in which case MediWound shall detail the reason(s) for the rejection of any such Bromelain SP sample. In the event of rejection by MediWound, CBC shall deliver complying Bromelain SP sample to MediWound within [***] days of rejection, free of cost (including transportation, duty, handling and insurance costs). For clarification purposes, MediWound's Acceptance Sample Notice in accordance with this section above shall in no event derogate from CBC's responsibilities hereunder. After CBC receives MediWound's Acceptance Sample Notice, CBC shall deliver the corresponding batch to MediWound for inspection and approval. MediWound shall have the right, for a period of [***] days following receipt, to reject any Bromelain SP batch which: 6.4.3 fails to comply with MediWound's purchase order; or 6.4.4 fails to comply with the batch incoming inspection Specifications. Within the said [***] days, MediWound shall notify CBC of either: (i) its approval and acceptance of such batch ("Acceptance Batch Notice"); or (ii) its rejection of the batch in which case MediWound shall detail the reason(s) for the rejection of any such Bromelain SP batch. In the event of rejection by MediWound, at CBC's request and expense, MediWound shall return any such Bromelain SP batch to CBC and CBC shall deliver complying Bromelain SP *** Confidential treatment has been requested for redacted portions of this exhibit. This copy omits the information subject to the confidentiality request. Omissions are designated as [***]. A complete version of this exhibit has been provided separately to the Securities and Exchange Commission. 12 batch to MediWound within [***] days of rejection, free of cost (including transportation, duty, handling and insurance costs). For clarification purposes, MediWound's Acceptance Batch Notice in accordance with this section above shall in no event derogate from CBC's responsibilities hereunder. 6.5 If there is a dispute between the parties as to whether any Bromelain SP sample or batch complies with the sample or batch Specifications respectively and/or with the quality requirements set forth herein and/or under the law, then, without derogating from MediWound's remedies under this Agreement or at law, such dispute shall be
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: MediWound shall have the right, for a period of [***] days following receipt, to reject any Bromelain SP sample which: 6.4.1 fails to comply with MediWound's purchase order; or 6.4.2 fails to comply with the sample incoming inspection Specifications.