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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films using "IMAX" technology shall be deemed "IMAX Screens." IMAX Screens will not receive, and Network Affiliate will have no duty to exhibit on any IMAX Screen, the Digital Carousel, the Pre- Feature Program or the Traditional Content Program; provided however, that Network Affiliate may elect to exhibit the Digital Carousel, the Pre- Feature Program or the Traditional Content Program on its IMAX Screens in its sole discretion. Notwithstanding the foregoing, all IMAX Screens will be subject to the exclusivity obligations of Network Affiliate, as set forth in Section 6.1 to the same extent as a Theatre hereunder. Network Affiliate will provide NCM prompt written notice of any additions to or deletions from its list of IMAX Screens, which list appears on Exhibit D. Network Affiliate shall provide written or electronic notice to NCM, in the form specified by NCM, each time there is a change in its list of IMAX Screens. Section 3.11 Grand Openings; Employee Uniforms. Notwithstanding anything herein to the contrary, Network Affiliate shall not be prohibited from: (i) promoting the grand opening of a Theatre or an Excluded Theatre, provided such promotional activity (x) may occur only for the thirty (30) day period immediately preceding the opening of the theatre to the general public through the thirty (30) day period immediately following the opening of the theatre to the general public, and (y) includes local advertising of such opening in exchange for the advertising of local businesses only, provided any on-screen advertising related thereto shall be subject to availability of on-screen Inventory and limited to one (1) advertisement thirty (30) seconds in length; and (ii) allowing advertising for the supplier of Network Affiliate employee uniforms to appear on such uniforms, provided that not more than two individual instances of such advertising ,may appear on any such uniform at any one time. 12 Source: DIGITAL CINEMA DESTINATIONS CORP., S-1, 12/20/2011 Section 3.12 License. NCM hereby grants to Network Affiliate at no cost a limited, non-exclusive, non-transferable, non-sublicenseable, royalty-free license in the Territory during the Term only to receive, store, convert or otherwise manage, display and exhibit the Service on the Equipment at Theatres solely in connection with its performance of and subject to all of the terms and conditions of this Agreement. Network Affiliate may not materially alter the Service or otherwise exhibit the Service in a manner resulting in a material change in an average viewer's perception of the Service or any Service content, nor may Network Affiliate use or make the Service available for any purpose, at any location, or in any manner not specifically authorized by this Agreement, including without limitation recording, copying or duplicating the Service or any portion thereof. Network Affiliate shall at all times use the NCM Equipment and the Service in accordance with such policies and procedures of NCM as NCM may reasonably impose from time to time. Each party shall be solely responsible for obtaining and providing all rights, licenses, clearances and consents necessary for the use of any content it provides, or that is prepared or provided on its behalf, as contemplated herein, except as may otherwise be agreed by the parties in writing; provided, however, that, notwithstanding anything herein that might be construed to the contrary, NCM shall not be obligated to provide any right, license, clearance or consent necessary to permit the public exhibition of music in the Theatres (except with respect to background music provided by NCM or its affiliates). ARTICLE IV MAINTENANCE AND SUPPORT; MAKE GOODS Section 4.1 Maintenance Obligation. (a) At any time that NCM Equipment is installed in any Theatre, Network Affiliate shall use its reasonable efforts to ensure there is no loss or damage to such NCM Equipment as a result of the standard or foreseeable operations of the Theatres, and to prevent piracy or other theft of inventory exhibited through the use of the NCM Equipment or otherwise in its possession or control. Network Affiliate further agrees to keep all NCM Equipment, including without limitation video display terminals, clean, and to promptly notify NCM if any NCM Equipment is not functioning properly. For any NCM Equipment located in Theatres or otherwise in Network Affiliate's possession or control, Network Affiliate shall be responsible for any loss, theft or damage of or to NCM Equipment to the extent attributable to the negligence or wrongdoing of Network Affiliate. (b) Subject to the foregoing, NCM and/or its subcontractors shall keep and maintain Equipment installed in the Theatres in good condition and repair. Network Affiliate
"""

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

assistant: Notwithstanding anything herein to the contrary, Network Affiliate shall not be prohibited from: (i) promoting the grand opening of a Theatre or an Excluded Theatre, provided such promotional activity (x) may occur only for the thirty (30) day period immediately preceding the opening of the theatre to the general public through the thirty (30) day period immediately following the opening of the theatre to the general public, and (y) includes local advertising of such opening in exchange for the advertising of local businesses only, provided any on-screen advertising related thereto shall be subject to availability of on-screen Inventory and limited to one (1) advertisement thirty (30) seconds in length; and (ii) allowing advertising for the supplier of Network Affiliate employee uniforms to appear on such uniforms, provided that not more than two individual instances of such advertising ,may appear on any such uniform at any one time.