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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(2) units of the Random Plus™ Shuffler to Distributor and the expiration of a review period ending thirty (30) calendar days after the receipt of delivery by Distributor,, where such review by Distributor determines that the Random Plus™ Shuffler is fit for purpose and ready for commercial sale in the Territory, one hundred (100) units of the Random Plus™ Shuffler at a price of Four Thousand Nine Hundred Fifty Dollars ($4,950.00 U.S.) per unit, where Vendor shall ship the units no later than 30 days after the review period; -5- 5.1.3. Upon the receipt of any necessary approvals or approval waivers and the expiration of a review period ending thirty (30) calendar days after the receipt of delivery by Distributor of two (2) units of the Continuous Plus™ Shuffler, where such review by Distributor determines that the Continuous Plus™ Shuffler is fit for purpose and ready for commercial sale in the Territory, one hundred (100) units of the Continuous Plus™ Shuffler at a price of Five Thousand Nine Hundred Fifty Dollars ($5,950.00 U.S.); 5.1.4. Within thirty (30) days of the one (1) year anniversary of the Effective Date, an additional two hundred (200) units of the Products comprising any mix of the shuffler products offered by Vendor; and 5.1.5. Any additional number of units of the Products as may be submitted by Distributor to Vendor pursuant to a Purchase Order (as defined herein). 5.2. Purchase Order. Unless otherwise provided for in this Agreement, all orders for the purchase of the Products shall be made through the submission of a purchase order (a "Purchase Order"), where such Purchase Order shall set forth: (1) the relevant monthly period to which the Purchase Order relates; (2) the Products to be ordered; (3) the quantity of the Products ordered; (4) the relevant price for the Products ordered; (5) the requested shipping date and destination of the Products ordered; (6) the Purchase Order number; and (7) the name and authorized signature of Distributor. 5.3. Shipping. Unless otherwise provided for in this Agreement, upon the acceptance of a Purchase Order by Vendor, Vendor shall, in the normal course of business, package, crate and insure the Products at its cost (including any applicable export duties and export taxes) and deliver the Products to Distributor F.O.B. Zhongshan City, China. Vendor will advise Distributor immediately of any delay but will use all reasonable means to dispatch the Products within four (4) weeks of an order being received. Vendor shall as soon as practicable inform Distributor of the delivery date for each quantity of Products shipped to Distributor or to an address nominated by Distributor. 5.4. Partial Shipments; Pro Rata Allocation. Vendor reserves the right to supply against a Purchase Order by making partial shipments of the Products. In the event that Vendor is forced to allocate the distribution of the Products due to limited supply, Distributor shall be treated no less favorably than any other distributor and shall receive its pro rata allocation of the Products. 5.5. Failure to Purchase. If Distributor fails to purchase or complete the purchase of the Products (or the payment thereof) in the quantities and the times specified in Section 5.1 of this Agreement, Vendor shall have the right to convert this Agreement from an exclusive grant of distribution rights to a non-exclusive grant of distribution rights by providing written notice to Distributor within fourteen (14) days of any date by which Distributor was obliged to purchase the specified quantity of Products as set in Section 5.1 of this Agreement. Upon providing notice to Distributor pursuant to this Section 5.5, Distributor shall no longer be required to purchase balance of the Products required to be purchased pursuant to Section 5.1 of this Agreement. Distributor shall not be liable for any losses or damages incurred by Vendor as a result of Distributor's failure to meet its obligations under Section 5.1 of this Agreement. 6. PRICE; PAYMENT 6.1. Price Changes. The prices stated in Section 5.1 of this Agreement are subject to change. For any price change to take effect ninety (90) days notice must be given in order for the price change to apply; provided, however, the proposed price change must also apply to the Products for sale by Vendor outside the Territory. In the event that there is a price change required by Vendor that does not fall within the ninety (90) day notice period, both parties agree to discuss the nature of the increase in order to reach a mutually acceptable understanding. All
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Extract the exact clause related to "Irrevocable Or Perpetual License" from the excerpt above.

assistant: Not found.