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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prior notice on any updates ("Change Notification"). Within [***] from receipt of the Change Notification, Supplier will either: (1) accept the Specification change at the current price and terms; or (2) submit to PNC a proposal ("Proposal") setting forth the conditions of acceptance that may include a change in price and/or other terms, including documentation to support same. Within [***] the Parties will discuss the Proposal in good faith and exercise their best efforts to agree on the appropriate adjustment if any. PNC will not issue any Purchase Orders, nor be required to issue any Purchase Orders to Supplier until PNC and Supplier have agreed on required Ingredient Specifications and any associated price and/or term adjustment. In the event the Parties fail to agree on required Ingredient Specifications or price and/or term adjustments despite their best good faith efforts, neither Party will have any further obligation with regard to purchase or supply of those Ingredients under any Master Purchase Commitments except that PNC shall take and pay for [***] of Ingredient inventory manufactured according to the then-current Specification. 1.6 Supplier will provide a Certificate of Analysis ("COA") completed in accordance with the Specifications with any shipment of Ingredients. 1.7 INTENTIONALLY LEFT BLANK 1.8 This Agreement is nonexclusive and sets forth the terms and conditions under which the Parties will supply and purchase Ingredients from the other Party. Nothing herein is intended to, nor does, guarantee that either Party will supply or purchase any specific, item, in any specific quantity, or conclude any business transaction with the other. 1.9 Supplier Performance metrics will be identified and tracked periodically through Supplier Performance Review meetings no more frequently than each calendar quarter during the Term. [***] Metric targets will be established by PNC and agreed by Fonterra and updated as needed. The ultimate goal is zero defects for quality and administrative compliance issues. 1.10 Supplier agrees to make a good faith effort to provide Advance Ship Notices ("ASN") with bar-coded pallet labels; Invoices, Purchase Orders and other business transactions, as may be advised by PNC, for each Ingredient shipment. Supplier will provide, itself or through a third-party provider, the information via Electronic Data Interface ("EDI") if and as requested by PNC. The technical specifications for all required EDI transactions will be provided by PNC. 2 2 Quality and Food Safety 2.1 For the purposes set forth in Section 303(c) of the Federal Food, Drug, and Cosmetic Act (the "Act"), Supplier guarantees to PNC that as of the time and date of delivery, all Ingredients will not be adulterated or misbranded within the meaning of the Act, nor will any Ingredients constitute an article that may not, under the provisions of Sections 404 and 505 of the Act, be introduced into interstate commerce. The Supplier further guarantees that as of the time and date of delivery, all of the Ingredients will be in compliance with all applicable laws, regulations, requirements and programs including those administered by the Food and Drug Administration (the "FDA"), the United States Department of Agriculture (the "USDA") and any state or local food or drug laws then in effect. This guarantee specifically includes Proposition 65 (California Safe Drinking Water and Toxic Enforcement Act), and Supplier hereby certifies that the Ingredients will not contain any non-naturally occurring chemicals subject to Proposition 65 or that any such chemicals pose "no significant risk" or cause "no observable effect" as set forth in the California Health and Safety Code, 22 CCR §§ 12701 et seq. and 22 CCR §§ 12801 et seq., as amended. Supplier shall comply with all applicable regulatory requirements for determining and documenting that all Ingredients are at or below no significant risk levels and no observable effect levels, as applicable. 2.2 Supplier shall develop and maintain a food safety/food defense program as required under the Food Safety Modernization Act 21 USC §301 et seq and shall submit a copy of such plan (and any changes thereto) to PNC upon PNC's request. Supplier will conduct [***] third-party food safety/food defense audits (the "Audits") in compliance with, and consistent with, relevant audit schemes approved by the Global Food Safety Initiatives, AIB International, Silliker, or GMA SAFE. Supplier will submit summaries of audit reports to PNC's Quality Manager at [***] upon request. Failure to comply with the requirements of this Section 2.2 will constitute a material breach of this Agreement. 2.3 Supplier will notify PNC immediately, by person-to-person voice communication or equivalent means, if any of the Ingredients contain, or are reasonably suspected
"""

Extract the exact clause related to "Post-Termination Services" from the excerpt above.

assistant: Not found.