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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intellectual property rights and the related documentation or other tangible expression thereof. 1.27. "Lead Time" means the time between the date a Purchase Order is acknowledged by IAC and the shipment ex-factory date. The default Lead Time is agreed to be [*], unless a shorter Lead Time is specified in the applicable Statement of Work for the Product. 1.28. "Manufacturing Date" means the date a Product Unit is manufactured, packaged and ready for shipment. 1.29. "Marks" means the trademarks, service marks, trademark and service mark applications, trade names, logos, insignia, symbols, designs or other marks identifying a party or its products. 1.30. "Mass Production" means production line manufacturing in quantity of a Product for commercial release to Sonos customers. 1.31. "New Product Introduction" or "NPI" means the process by which IAC and Sonos bring a Product or Future Product to the IAC Manufacturing Facility for the purpose of commencing Mass Production of such Product. The standard NPI process is outlined in Exhibit D hereto. 1.32. "NRE Services" means the development and related engineering services provided by IAC during the NPI process. The services shall not include non-engineering related activities, such as facility costs, materials costs, direct labor costs, etc. 1.33. "Obsolete Component" means a Third Party Component that is rendered obsolete by an ECO or a Product end of life, and cannot be used in any other Sonos Product. 1.34. "Parties" means Sonos and IAC. 1.35. "Product" means each product (including any hardware, software, technology, and Components) identified in detail in an applicable Statement of Work, attached hereto from time to time, to be manufactured by IAC for Sonos pursuant to the terms of this Agreement. 1.36. "Product Build" means a Mass Production manufacturing build for a specified number of Product Units designated in a Purchase Order. A Product Build is not complete until all Product Units specified in the Purchase Order are complete. Page 5 of 38 *Confidential Treatment Requested 1.37. "Product Customizations" shall mean any derivatives, improvements or modifications to any Product made by either party (or a subcontractor of such party) in the course of performance of this Agreement. Product Customizations does not mean the manufacturing processes utilized by IAC or an IAC Subcontractor to make such derivatives, improvements, or modifications to a Product. Any Product Customizations made by IAC or an IAC Subcontractor shall be on a "work for hire" (using the meaning given to such term under United States copyright law) basis to the maximum extent permissible under applicable law, and all Intellectual Property Rights therein shall be owned solely by Sonos. 1.38. "Product Unit" means a single, individual Mass Production unit for any given Product. 1.39. "Production Process Change Order" means a proposed change by either party to the Mass Production manufacturing process for a given Product. Production Process Change Orders may include proposed modifications, among other things, to printed circuit board assembly and test, Product sub-assemblies, Product final assembly, Product test or quality assurance procedures. 1.40. "Purchase Order" or "PO" means a written or electronic purchase order issued by Sonos to IAC for purchase of a Product. 1.41. "Purchase Price Variance" or "PPV" means the difference between the price for a Product Unit specified on an IAC invoice and the actual cost that should have applied for such Product Unit according to the terms of this Agreement and as determined at a later date. 1.42. "Quality Plan" means for any given Product the series of tests and inspections that must be performed by IAC during the manufacturing process to ensure that the Product meets the applicable Specifications. Each Product shall have a separate Quality Plan that is set forth in the applicable Statement of Work. While each Quality Plan shall be jointly developed and determined between and by Sonos and IAC, Sonos owns the Quality Plan and reserves the final decision-making regarding its contents. 1.43. "Rolling Forecast" means a forecast of Sonos' estimated future requirements for any Product to be manufactured by IAC for Sonos, [*]. Other than the Sonos obligations described under this Agreement, a Rolling Forecast is a non-binding projection of Sonos' future requirements for a Product. 1.44. "Semi-Monthly Invoice Date" means the middle and final business day, respectively, of a given month. On such date, IAC is entitled to send an invoice to Sonos for the Product Units that have shipped during the first half or second half of the month, as applicable. 1.45. "Shipping Term" means the default shipping term as set forth in Section 6.5. Such Shipping Term
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Extract the exact clause related to "Competitive Restriction Exception" from the excerpt above.

assistant: Not found.