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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Territory and perform, or procure the performance of the activities set forth in the Marketing Plan; 4.8 Inventory and Promotional Materials. EKR shall maintain a sufficient inventory of Product and support material to reasonably fulfill the requirements of its customers in the Territory provided that, subject to Section 17.5, PPI shall comply with the Supply Agreement; 4.9 Records. EKR shall maintain adequate records concerning the sale of the Product as required by any applicable Regulatory Authority in the Territory; 4.10 Promotional Materials. EKR shall provide PPI with copies of the Promotional Materials proposed to be used in connection with the sale of the Products in the United States for approval, solely with respect to Trademark usage, (such approval not to be unreasonably withheld, conditioned or delayed) to the extent such Promotional Materials include any Trademark. EKR shall submit such Promotional Materials to PPI at least five (5) business days in advance of its intended use of the same and such Promotional Material shall be deemed to have received PPI's approval unless PPI Provides EKR with written notice of rejection within said five (5) business day period and EKR shall be authorized to finalize and use same. For the avoidance of doubt, any Trademark usage set forth on any Promotional Materials in use as of or prior to the Agreement Date are hereby deemed to be approved by PPI. 4.11 Adverse Events. Each Party shall promptly provide the other Party with all information in its possession or otherwise coming to its attention relating to the occurrence of a serious adverse event or an adverse event (in any jurisdiction throughout the world) in connection with the Product, and promptly forward to such other Party information concerning any and all charges, complaints or claims reportable to any Regulatory Authority relating to the Product that may come to the first Party's attention, and -27- otherwise comply in all respects with the adverse drug event reporting and recall procedures set out or referred to in the Supply Agreement from time to time. EKR shall be responsible, to the extent required by Applicable Law, to report all charges, complaints or claims reportable to any Regulatory Authority outside of the United States relating to the Product, as well as any such charges, complaints or claims reportable to any Regulatory Authority inside the United States to the extent such charges, complaints or claims are made after the Agreement Date. 4.12 Permits. EKR shall obtain and maintain all necessary licenses, permits, records and authorizations required by Applicable Laws as holder of the Transferred NDA after the Agreement Date and in order to exercise the Distribution Rights and observe and comply with all Applicable Laws, ordinances, rules and regulations including, but not limited to those of the applicable Regulatory Authorities in the exercise of the Distribution Rights save insofar as PPI is required to obtain the same as holder of the Marketing Authorizations prior to the Agreement Date, or under the terms of this Agreement; 4.13 Compliance. EKR shall conduct the promotion and marketing and sale of the Products in accordance with Applicable Laws and with all due care and diligence. 4.14 Sales and Promotional Activities. In connection with the promotion, marketing and sale of the Product, EKR shall, without limitation: (a) observe and comply with such storage, stock control and operational practices and procedures as may be legally required in the Territory and as reasonably specified in writing by PPI from time to time; (b) from time to time consult with PPI's representatives for the purpose of assessing the state of the market in each country of the Territory and permit representatives of PPI, on reasonable prior notice, to inspect any premises or documents used in connection with the marketing, distribution and sale of the Products; -28- (c) provide PPI on reasonable prior notice but not more than once in any Calendar Year, copies of its up-to-date price list for the Product together with full details of standard discounts and any special pricing arrangements entered into or proposed to be entered into; (d) market the Product throughout the Territory under the Trademarks and any EKR trademarks and ensure that all marketing materials for the Product shall display the Trademarks; and (e) comply with all applicable regulatory and statutory requirements imposed in relation to the Product, including, without limitation, those imposed by the US Drug Enforcement Agency ("DEA") and other equivalent agencies in the Territory. 4.15 Prohibition on Sales Outside the Territory. EKR shall not directly or indirectly market distribute
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Extract the exact clause related to "Volume Restriction" from the excerpt above.