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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in costs and lead time associated with such specification adjustment. EMV shall bear such charges, subject to an updated Purchase Order being signed by both parties. In the event that any such specification adjustment results in Manufacturer accumulating stock, which is no longer suitable for use by Manufacturer in mass production, EMV shall reimburse the costs actually incurred by Manufacturer. 4.6 Rescheduling of Delivery Date EMV may reschedule the delivery of Products by sending Manufacturer a written change order pursuant to the schedule set forth in each Purchase Order. Manufacturer agrees to use commercially reasonable efforts to accommodate requests for rescheduling (acceleration and delay), and before accepting such rescheduling requests, will quote any applicable charges resulting from changes in costs associated with such rescheduling, which charges shall be the sole responsibility of EMV, subject to an updated Purchase Order being signed by both parties. 4.7 Cancellations In the event that EMV desires to cancel some quantity of Products ordered under a Purchase Order, Manufacturer shall, upon receipt of such written notice, stop work to the extent specified therein. EMV agrees to pay Manufacturer for completed work and work-in-process, under the same terms and conditions as set out in section 5 below, that cannot be used to fill other orders, including Manufacturer's costs for actual and reasonable labor and supplies incurred pursuant to Purchase Orders [up to the date of receipt of notice of cancellation]. * Confidential treatment has been requested for certain portions of this Exhibit. The confidential portions of this Exhibit have been omitted and filed separately with the Securities and Exchange Commission. Such portions have been marked with "****" at the exact place where material has been omitted. 9 4.8 Cancellation Documentation Manufacturer will provide EMV with documentation adequate to support such claim for cancellation charges. Notwithstanding the foregoing, EMV shall have no obligation to pay cancellation charges where cancellations are the result of any failure of Manufacturer to perform its obligations under this Agreement. Upon payment of the cancellation charges, all Products, components, work-in-process, non-useable, and non- returnable/non-cancelable components in-house or on order shall become the property of EMV. Upon the request of EMV, all such Products, components, and work-in-process shall be shipped to EMV in accordance with the shipment terms below. The parties should use commercially reasonable efforts to resolve any disagreement for the cancellation charges or cancellation issues. 5. COMMERCIAL CLAUSE 5.1 Invoices and Payment 5.1.1 EMV shall pay 30% of total amount of a Purchase Order as a deposit after Manufacturer receives EMV's order, and then Manufacturer shall schedule the production. 5.1.2 Manufacturer will invoice EMV for Products net ten (10) days from when the parties sign the Quality Evaluation Form to confirm delivery of Products. 5.1.3 EMV shall pay 70% of total amount of a Purchase Order within ten (10) days of receipt of Manufacturer's invoice as provided in Section 5.1.2 above. 5.1.4 The product settlement shall be in Chinese Yuan. 5.2 Pricing The price of Products will be determined by both parties at the beginning of each calendar year. The Manufacturer shall have the right to make modifications to Product pricing during a given year when the prices of raw materials, within the order cycle, experience massive variations in prices (massive variations in prices refer to the monthly average price changes of five main raw materials: steel, aluminum, copper, composite materials, engineering plastics exceed 5% from window query of Chinese futures trading), upon providing EMV with not less than sixty (60) days' notice of such price change, provided that no such price changes will apply to any Purchase Order already submitted by EMV at such time, or within such sixty (60) day period. Subject to the above, if there is a change on export tax policy in China, the Manufacturer shall inform EMV in writing as soon as possible and both parties shall confirm any price changes and Purchase Orders which will be applied with new price prior to any change in price being effective. * Confidential treatment has been requested for certain portions of this Exhibit. The confidential portions of this Exhibit have been omitted and filed separately with the Securities and Exchange Commission. Such portions have been marked with "****" at the exact place where material has been omitted. 10 5.3 Packaging and Shipping. Manufacturer shall package each Product in accordance with EMV's Specifications, or, if not specified by EMV, in accordance with generally accepted commercial standards. All shipments made by Manufacturer to EMV or to EMV' customers shall be
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Extract the exact clause related to "Parties" from the excerpt above.

assistant: Manufacturer