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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or eliminate Customer's obligation to pay the fees provided herein to the extent Services are provided hereunder. Commencement Date Facilities. Transporter shall design, engineer, modify, construct and equip, or caused to be designed, engineered, modified, constructed and equipped, the Transportation System, including, without limitation, the facilities and equipment described on Exhibit A attached hereto (the facilities and equipment described on Exhibit A being collectively referred to as the "Commencement Date Facilities"). Post-Commencement Date Facilities. If after the Commencement Date, Customer requires an addition, modification, alteration, replacement, or expansion of the Transportation System (a "New Facility"), Customer will provide Transporter a written notification of such requested New Facility containing sufficient information for Transporter to estimate the cost to provide such New Facility. Although Transporter shall have no obligation to provide a requested New Facility, Transporter may, in its sole discretion, agree to construct or acquire such New Facility. The commercial terms applicable the construction or acquisition of any New Facility will be determined in accordance with the AMI/MEA Agreement. The Parties agree to make any revisions to this Agreement (including the Exhibits hereto) that are necessary to reflect any New Facility. Transportation Services. For each Day during the Term, (i) Transporter agrees to provide Firm Service on the Transportation System for Customer Gas delivered to the Transportation System in a quantity not to exceed Customer's Firm Service Gas for such Day, and Interruptible Service for all quantities in excess of Customer's Firm Service Gas for such Day, and deliver to Customer, or for the account of Customer, at the applicable Points of Delivery, Equivalent Quantities of Customer Gas received at the Points of Receipt, and (ii) Customer, or its designee, shall accept such Equivalent Quantities of Customer Gas at the Points of Delivery. 6 Source: PENNTEX MIDSTREAM PARTNERS, LP, S-1/A, 4/16/2015 Notwithstanding anything in this Agreement to the contrary, it is acknowledged and agreed that there is no minimum amount of Customer Gas that must be delivered to the Transportation System hereunder; accordingly, Customer shall not have any liability (financial or otherwise) for failure to deliver any particular quantity of Gas to Transporter; provided, however, the foregoing sentence shall not reduce or eliminate Customer's obligation to pay the fees provided herein. Article III. Receipt and Delivery Pressures Pressure at Point of Receipt. Transporter will receive Customer Gas at the prevailing pressure at which such Customer Gas is delivered to the applicable Point of Receipt by the operator of the applicable Plant. Pressure at Point of Delivery. All Customer Gas delivered by Transporter will be delivered at the prevailing pressures of the Transportation System as may exist from time to time. Transporter shall at no time be required, unless otherwise agreed in writing, to construct New Facilities or modify the Commencement Date Facilities, including by the addition of compression facilities, to effect such delivery, including, but not limited to, instances in which a facility downstream of a Point of Delivery operates at a pressure in excess of the Transportation System working pressure. For the avoidance of doubt, any New Facilities required by Customer to comply with the operating pressure of facilities located downstream of a Point of Delivery shall be subject to the provisions of Article II. Article IV. Nominations, Confirmations and Imbalances Nominations. Each Month during the Term, Customer shall give written notice of Customer's nomination to Transporter specifying the average daily quantity of Customer Gas Customer requests be transported during such Month and designate a person who will be responsible for coordinating notices among Customer, Transporter and Third Party Operators in accordance with these procedures. Customer shall furnish such nomination to Transporter by email or other electronic means and such nomination shall specify such information as is necessary in order to perform the Services requested by Customer. If Customer anticipates any material revision to a Monthly nomination it has provided to Transporter, Customer will notify Transporter as promptly as possible. Transporter will transport hereunder as nearly as practicable at uniform hourly and Daily rates of flow unless otherwise mutually agreed by Customer and Transporter. Unless otherwise mutually agreed by Customer and Transporter, for Customer's initial nomination to be accepted for the first (1st) Day of any Month, Customer's nomination must be received by Transporter by 11:30 a.m. Central Clock Time on the third (3rd) Business Day prior to the last Day of the Month preceding such Month. Customer shall have the right to submit a new nomination or revise its existing nomination for any Day during such Month provided such
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Extract the exact clause related to "Volume Restriction" from the excerpt above.

assistant: For each Day during the Term, (i) Transporter agrees to provide Firm Service on the Transportation System for Customer Gas delivered to the Transportation System in a quantity not to exceed Customer's Firm Service Gas for such Day, and Interruptible Service for all quantities in excess of Customer's Firm Service Gas for such Day, and deliver to Customer, or for the account of Customer, at the applicable Points of Delivery, Equivalent Quantities of Customer Gas received at the Points of Receipt, and (ii) Customer, or its designee, shall accept such Equivalent Quantities of Customer Gas at the Points of Delivery.