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:
"""
a good-faith recommendation in writing regarding an operational issue to Owner, and Owner does not, for any reason whatsoever, approve such recommendation, then Operator shall not be liable and Owner hereby releases and shall indemnify, defend and hold Operator harmless from and against any Claim or Loss that arises from, or is attributable to, the failure to implement such recommendation. 4.1.6 Compliance with Owner Instructions. Notwithstanding anything to the contrary in this Agreement, in the event that Owner instructs Operator to take any action or refrain from taking any action in connection with the operation or maintenance of the Rail Facility and Operator in good faith disagrees with Owner because, among other reasons, it is not consistent with prudent operating standards, then Operator shall notify Owner of such disagreement in writing, and Owner hereby releases and shall indemnify, defend and hold Operator harmless from and against any Claim or Loss that arises from, or is attributable to, Operator's compliance with Owner's instructions. 4.1.7 Environmental Laws. Operator shall comply, in the performance of its duties and responsibilities hereunder, in all respects with all Environmental Laws and all Environmental Permits. 4.1.8 Purchase of Services, Materials and Supplies. Except as otherwise provided below and subject to the limitations herein, Operator shall, on Owner's behalf and as its agent, purchase or cause to be purchased necessary services, materials and supplies and incur such expenses and enter into such commitments as may be necessary to operate and maintain the Rail Facility, including, but not limited to, (i) contracts for the maintenance, repair and replacement of the Rail 8 10.23 Facility and, if requested by Owner, construction of additions to the Rail Facility; and (ii) contracts for power, fuel, other utilities, and communication facilities as may be necessary in connection with proper operation and maintenance of the Rail Facility and for providing adjustments and replacements thereto. 4.1.9 Personnel. Except as otherwise provided below and subject to the limitations herein, Operator, in its reasonable judgment, shall employ such personnel, with Operator or an Affiliate as their employer, as it may deem necessary to operate and maintain the Rail Facility and to provide adjustments and replacements thereto and to perform its other obligations hereunder. In addition to Operator's or Operator's Affiliates' employees who are either full-time or part-time dedicated to operating and maintaining the Rail Facility, Operator may: (i) utilize from time to time its other employees or the employees of Operator's Affiliates in services in connection therewith at a usual and customary rate of compensation; and/or (ii) engage the services of third-party contractors in the performance of such functions. Notwithstanding the foregoing, all personnel provided by Operator to operate and maintain the Rail Facility shall have the requisite background, training and skill necessary to operate such a facility in accordance with all current industry standards and any and all applicable state and federal Laws, Environmental Laws, and Environmental Permits. 4.1.10 Payment of Operating Expenses. Operator shall promptly pay all direct costs and expenses incurred in operating and maintaining the Rail Facility as they become due, without reimbursement by Owner save and except to the extent specifically provided otherwise herein. 4.1.11 Operating Expense Budget. Operator shall (i) administer and otherwise comply with the budget proposed by Operator and approved by Owner (ii) operate and maintain the Rail Facility in compliance with the Operating and Capital Expenditure Budget established for the Rail Facility; provided, however, if Owner instructs Operator to perform any services outside of the scope of the services contemplated in the Operating and Capital Expenditure Budget (exclusive of those services to be performed by Operator in connection with any necessary alterations or modifications to the Containment Pan System pursuant to Section 4.1.1), then Owner shall reimburse Operator for the costs and expenses associated therewith. 4.1.12 Capital Projects. Operator may propose an unbudgeted Capital Project at any time by giving written notice of such to Owner. The notice (the "Capital Project Proposal") must specifically describe the proposed Capital Project and shall include the following: (i)a good-faith estimate of the costs associated with the operation and maintenance of the proposed Capital Project; (ii)preliminary engineering designs and plans; and (iii)general requirements or provisions for the Capital Project, including construction of the Capital Project and insurance coverage. 9 10.23 Owner shall approve or reject the proposed Capital Project set forth in the applicable Capital Project Proposal within fifteen (15) days from the date of receipt of the same, such approval not to be unreasonably withheld, conditioned or delayed. If Owner approves
"""

Extract the exact clause related to "Change Of Control" from the excerpt above.

assistant: Not found.