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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despite any information or advice that we may provide. (To the extent that the requirements of those laws are in conflict with the terms of this Agreement, the Manuals, or our other instructions, you must: (a) comply with those laws; and (b) immediately give us written notice of the conflict.) 6.15. Operating Principal and Management Supervision 6.15.1. If you are a corporation, partnership or LLC, you must have an individual owner serve as your Operating Principal. The Operating Principal must own a majority of the voting and ownership interests in the franchisee entity, unless you obtain our prior written approval for the Operating Principal to hold a smaller interest. The Operating Principal must complete our training program, must have authority over all business decisions related to the Franchised Business, and must have the power to bind you in all dealings with us. You may not change the Operating Principal without our prior approval. Page 14 of 39 Source: PF HOSPITALITY GROUP INC., 10-12G, 9/23/2015 6.15.2. At all times that the Franchised Business is operating, it must be under the personal, on-premises supervision of the Operating Principal who is a Certified Manager, or another individual who is a Certified Manager. You may not permit the Franchised Business to be operated, managed, directed, or controlled by any other person without our prior written consent. At least one Certified Manager must devote, on a full-time basis, his or her best efforts to managing and operating the Franchised Business. Unless we agree otherwise in writing, before the Operating Principal or any other manager may manage the Franchised Business, he or she must become a Certified Manager (as provided in Section 5.1.2 [Initial Training Program]) and acquire any food-safety-program certification that the local, state or municipality may require, as well as any other licenses, permits, and certifications that we may require from time to time. 6.15.3 If the Certified Manager is an individual other than Operating Principal, and such Certified Manager ceases to satisfy his or her obligations under this Agreement due to death, disability, termination of employment, or for any other reason, the Operating Principal must satisfy such obligations until you designate a new Certified Manager of the Franchised Business, who is acceptable to us and has successfully completed the initial training program we require. 6.15.4. All persons with a 5% or greater ownership interest in the franchise must sign a personal guaranty on the form attached to this Agreement as Appendix B. 6.16 Maintenance of Premises. You must at all times maintain the Franchised Business in a high degree of sanitation, repair, and condition, and must make such additions, alterations, repairs, and replacements (but no others without our prior written consent) as may be required for that purpose, including, without limitation, such periodic repainting or replacement of obsolete signs, furnishings, equipment, and decor as we may reasonably direct. 6.17 Ongoing Upgrades and Refurbishments. Throughout the term of this Agreement, you must maintain all of the fixtures, furnishings, equipment, decor, and signs that we prescribe from time to time in the Manuals or otherwise in writing. If we determine that additional or replacement equipment is needed because of a change in menu items or method of preparation and service, a change in technology, customer concerns, health or safety considerations, or because of any other reason, you agree that you will install the additional equipment or replacement equipment within the reasonable time we specify. 6.18 Five-Year Refurbishment and Renovations. At our request, but not more often than once every five (5) years (and not before the fifth year after you begin operating), unless sooner required by your lease, you must refurbish the Premises, at your expense, to conform to the restaurant design, façade, signage, trade dress, color schemes, and presentation of the Proprietary Marks in a manner consistent with the then- current image for new Pizza Fusion restaurants. Such refurbishment may include structural changes, installation of new equipment and signs, remodeling, redecoration, and modifications to existing improvements, and, shall be completed pursuant to such standards, specifications, and deadlines as we may reasonably specify. 6.19. Insurance. 6.19.1. Types and Amounts of Coverage. Throughout the entire Term, you must maintain such types of insurance, in such amounts, as we may require. Such insurance is in addition to any other insurance that may be required by applicable law, your landlord, or otherwise. Policies that we require must be written by an insurance company reasonably satisfactory to us with an A.M. Best rating of "A" or better, and, must
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Extract the exact clause related to "Change Of Control" from the excerpt above.

assistant: You may not permit the Franchised Business to be operated, managed, directed, or controlled by any other person without our prior written consent.