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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[**]; (iii) such other presentations and dosages which hereafter receive Marketing Authorization in any country of the Territory; in each case for epidural administration presented in Vials or other approved vessels, appropriately packaged and labeled for sale to end users and (iv) any and all Improvements of the items listed in clauses (i) through (iii). "Promotional Materials" Means promotional, sales, marketing, educational and training materials which are necessary to support the marketing of the Products; "Quarter" Means a three month period ending on the last day of March, June, September or December in any Calendar Year; "Regulatory Authority" Means any competent regulatory authority or other governmental body (for example, but not by way of limitation the FDA and DEA) responsible for granting a Marketing Authorization in the Territory; "Royalty Cap" Shall have the meaning set forth in Section 6.4; "Supply Agreement" Means: (i) with respect to periods between the Effective Date and the Agreement Date, that certain Supply Agreement entered into by the Parties on the Effective Date and (ii) with respect to periods on or after the Agreement Date, that certain Amended and Restated Supply Agreement entered into by the Parties on the Agreement Date (as may be amended from time to time); -12- "Term" Means the term of this Agreement as set out in Section 15; "Territory" Means each of the countries and territories listed in Schedule VII; "Third Party" Means any company, corporation, firm, individual or other entity but excluding a Party to this Agreement or an Affiliate; "Trademarks" Means those Trademarks registered or applied for set out in Schedule II; "Transition Services and Inventory Agreement" Means that certain Transition Services and Inventory Agreement entered into between the Parties on the Effective Date; "Vial" Means a vial containing the Product supplied to EKR in presentations and dosages and other relevant terms set out in the Supply Agreement; "Year" Means the period of twelve months commencing on the first Commercial Launch of the Product in the Territory, and each consecutive period of twelve months thereafter during the Term. 1.2 In this Agreement, unless the context requires otherwise: (a) the headings are included for convenience only and shall not affect the construction of this Agreement; (b) references to "persons" includes individuals, bodies corporate (wherever incorporated), unincorporated associations and partnerships; (c) words denoting the singular shall include the plural and vice versa; (d) words denoting one gender shall include each gender and all genders; and -13- (e) any reference to an enactment or statutory provision is a reference to it as it may have been, or may from time to time be amended, modified, consolidated or re-enacted. 1.3 The Schedules comprise part of and shall be construed in accordance with the terms of this Agreement. In the event of any inconsistency between the Schedules and the terms of this Agreement, the terms of this Agreement shall prevail. 2. Grant of Rights 2.1 Retention of EKR. Subject to the terms of this Agreement, PPI hereby appoints EKR and EKR agrees to be retained as the exclusive distributor, and Authorized Distributor of Record, of the Products in the Field in the Territory during the Term to market, distribute, warehouse and sell the Products. EKR shall have the right to appoint sub-distributors hereunder in each country of the Territory. 2.2 Grant of License and Distribution Rights. PPI hereby grants EKR the exclusive right and license (with the right to sublicense) to use, market, promote, sell, distribute and warehouse the Products (the "Distribution Rights") in the Field in the Territory during the Term, as well as to make or have made the Products anywhere in the world for import or sale in the Field in the Territory in each case, under the PPI IP provided that PPI retains all rights necessary to manufacture and supply the Products to EKR in accordance with this Agreement and the Supply Agreement. Such grant by PPI shall include the right of EKR to market the Product in the Territory during the Term as an EKR product using in addition to the Trademarks, EKR's own trademarks, trade dress, trade names and other proprietary designations in combination with the Trademarks. 2.3 Grant of Trademark Rights. PPI hereby grants to EKR a royalty free and exclusive license (with the right to sublicense) to use the Trademarks in the Territory solely in connection with the exercise of the Distribution Rights in the Territory during the Term (and thereafter as set forth in Section 17.4) and EKR shall market and sell the Products
"""

Extract the exact clause related to "Volume Restriction" from the excerpt above.