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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but not limited to, those maintained by the US Department of the Treasury (Office of Foreign Assets Controls) and the US Department of Commerce (Bureau of Industry and Security). For U.S. domestic sales, if Buyer elects to export Product, Buyer shall constitute the U.S. Principal Party in Interest or Exporter for all purposes under applicable law. 16. NON-US BUYERS If Buyer is a natural or legal person of any jurisdiction other than the United States and/or a State thereof, any dispute arising with respect to the transaction(s) specified herein shall be referred to three (3) arbitrators in accordance with the Rules of Arbitration of the International Chamber of Commerce as in effect on the date of such referral. The arbitration shall take place in Houston, Texas, U.S.A. The proceedings shall be in the English language. The American Arbitration Association shall act as appointing authority in the event required. Monetary awards shall be expressed in U.S. Dollars and all awards shall be final and binding on the parties. Judgment upon any award may be entered in any court having jurisdiction. 17. AMENDMENT; CANCELLATION No modification of this Agreement shall be of any force or effect unless such modification is in writing, expressly designated as an amendment hereto and signed by the parties' duly authorized representatives; and no modification shall be effected by the acknowledgment or acceptance of purchase order forms containing terms or conditions at variance with those set forth herein. Except as explicitly set forth in this Agreement, this Agreement and the transaction(s) specified herein can be cancelled only with both parties' written consent. 18. GOVERNING LAW AND DISPUTE RESOLUTION The parties' rights and obligations hereunder shall be construed and enforced under the laws of the State of Texas, U.S.A., without regard to conflict of laws principles. Incoterms 2010 (or any subsequent revision thereof) ("Incoterms") shall also apply; provided, however, that Incoterms shall apply only to the extent specified in the agreement hereof, and provided, further, that in the event of a conflict between Incoterms and the laws of the State of Texas, U.S.A., the latter shall govern. The parties specifically exclude Source: WEST PHARMACEUTICAL SERVICES INC, 8-K, 1/16/2020 application of the U.N. Convention on Contracts for the International Sale of Goods. For any dispute regarding this Agreement, the Parties agree to exclusive jurisdiction and venue in the district courts of Harris County, Texas, or the United States District Court for the Southern District of Texas (Houston Division). 19. MISCELLANEOUS No waiver by either party of a right, default or breach of any of the terms and conditions herein shall be effective unless in writing. No such waiver shall be deemed a waiver of any subsequent right, default or breach (whether similar or dissimilar) except as expressly stated therein. 20. ASSIGNMENT This Agreement shall not be assigned in whole or in part by Buyer or Seller without the written consent of the other party and any attempted assignment without such consent shall be void and of no effect, except that Seller may assign all of its rights and obligations hereunder to any entity of which Exxon Mobil Corporation owns, directly or indirectly, at least fifty percent (50%) of the shares or other indicia of equity having the right to elect such entity's board of directors or other governing body. Source: WEST PHARMACEUTICAL SERVICES INC, 8-K, 1/16/2020 ATTACHMENT B West Pharmaceutical Services and ExxonMobil Chemical Company 2019-2023 Global Master Supply Agreement List of ExxonMobil Affiliates / Divisions At its sole discretion and with prior written notice to Buyer, Seller may designate a different selling entity from the ones listed in this Attachment. For Product purchases made by Buyer Affiliates in: U.S.A., Brazil, Mexico ExxonMobil Chemical Company, a division of Exxon Mobil Corporation ("EMCC") and/or ExxonMobil Chemical Services Americas, Inc. 22777 Springwoods Village Pkwy Spring, TX 77389 For Product purchases made by Buyer Affiliates i n: Denmark, France, Germany, United Kingdom, Serbia and Ireland ExxonMobil Petroleum & Chemical BVBA (EMPC) Polderdijkweg B - 2030 Antwerpen, Belgium For Product purchases made by Buyer Affiliates i n: Singapore, China, India ExxonMobil Affiliate: ExxonMobil Chemical Asia Pacific, a division of ExxonMobil Asia Pacific Pte Ltd (EMCAP) 1 Harbour Front Place #06-00HarbourFront Tower One Singapore 098633 Source: WEST PHARMACEUTICAL SERVICES INC, 8-K, 1/16/2020 ATTACHMENT C West Pharmaceutical Services and ExxonMobil Chemical Company 2019-2023 Global Master Supply Agreement List of West Pharmaceutical Affiliates Buyer may update this list from time to time with written notice to Seller. Brazil West Pharmaceutical Services Brasil Ltda AV Nossa Senhora Das
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Extract the exact clause related to "Minimum Commitment" from the excerpt above.