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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and further recycling energy projects. Party A has priority to develop further recycling energy projects for Party B. 2. If the change or update of industrial process or facility of Party B forces Party A to change its system, Party A will use new system cost and loss for replacement as the new system cost to calculate numbers according to Item Three to continue execute the project. 3. From the starting day of the project, Party B must ensure that the coking system works properly and working hours of the CDQ system must be no less than 8,000 hours/year. Party A must ensure the waste heat power generation system of CDQ working hours no less than 7,200 hours/year. Item Thirteen Liability for Breach of Agreements 1. Unless otherwise agreed, either party cannot change or terminate the agreement without written consent of the other party except for force majeure. Equipment of both parties must work properly. 2. Party B shall pay Party A the energy saving service fee at the stipulated time, otherwise: 2.1 If Party B fails to pay Party A the energy saving service fee by 15t h of the month and the delay is within 60 days, the daily penalty is 0.05% of the overdue payment. 2.2 If the delay is over 60 days, it is regarded that Party B has no ability to perform its payment obligation. Party A can enforce the Performance Guarantee by Party B to take all project assets. Party B shall pay the actual energy saving service fees at once and pay Party A losses. 3. If any event affects the ability to its continue operation of the Party A or Party B, such as bankruptcy, going out of business, merging, transferring, separation or being dissolution, such party must give the other party a written notice within 30 days and provide documentary evidences. If such party cannot perform the contractual obligation, the other party suffered from loss could claim for compensation. 4. If the power plant cannot operate properly due to the shutdown of furnaces, facilities, or valves of Party B and such failure cannot be corrected upon a written notice from Party A to Party B within two days of occurrence of such event, Party B shall compensate the actual loss of Party A. 5. If the facilities and power plant cannot operate properly because of the equipment or human errors of Party A, then upon three consecutive months of the power generation system cannot reach 65% of its designed capacity, Party A shall compensate actual loss of Party B. 6. Party A shall adjust its maintenance time based on the production schedule of Party B. If Party A affects the production of Party B, Party A shall compensate for the loss. 7. Party A cannot transfer or mortgage the CDQ and CDQ power generation systems without the consent of Party B, otherwise it shall be responsible for the losses. 8. The CDQ and CDQ power generation systems shall comply with the national environmental protection standards. If the environment is polluted during the operation of the power plant, Party A shall bear the liability. 9. If the power generation causes upper level power network, each party shall bear their own liabilities based on the determination of the upper level power network operator. Term Fourteen Force Majeure If the project cannot be completed on schedule or supply power normally due to force majeure, such as war, flood, and earthquake, both parties shall be partially or fully exempt from their liabilities based on the effects of force majeure. If any party cannot perform the agreement due to force majeure, the party shall notify the other party immediately, provide the proof within 15 days, and keep the loss to a minimum with reasonable efforts. Term Fifteen Settlement of Disputes Both parties shall settle all disputes through amicable negotiations. If negotiations fail, either party could take a legal action to the local people's court where Party A is located. Term Sixteen Agreement, Appendix, and Others 1. This agreement shall be signed and sealed by legal representatives or authorized representatives of both parties and take effect from the effective date. 2. After the agreement is signed, Party A shall complete its due diligence and provide Party B with the letter of confirmation. Parties shall sign Technical Appendix within 90 days after the agreement is signed. 3. The Technical Appendix and Performance Guarantee are an integral part of the agreement and have the same legal effect of the
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Extract the exact clause related to "Rofr/Rofo/Rofn" from the excerpt above.

assistant: Not found.