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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interest in Confidential Information, other than the right to utilize Confidential Information disclosed to Franchisee in the operation of the Pretzel Time Unit during the term of this Agreement, and that the use or duplication of any Confidential Information in any other business would constitute an unfair method of competition. Franchisee, including its directors, officers, shareholders, and partners agree(s) that Confidential Information is proprietary, includes trade secrets of Pretzel Time and is disclosed to Franchisee solely on the condition that Franchisee agrees, and Franchisee (and its Owners) does hereby agree, that he: (1) shall not disclose any information pertaining to the Pretzel Time System, directly or indirectly, to any person, natural or corporate, without the express prior written consent of Pretzel Time. Franchisee may disclose to its Unit Manager such information deemed necessary to disclose, provided such Unit Manager has agreed to maintain such information in confidence in Pretzel Time's confidentiality agreement and Pretzel Time has received such executed agreement (attached hereto as Exhibit H); (2) Will not use Confidential Information in any other business or capacity; (3) Will maintain the absolute confidentiality of Confidential Information during and after the term of this Agreement; (4) Will not make unauthorized copies of any portion of Confidential Information disclosed in written or other tangible form; and (5) Will adopt and implement all reasonable procedures that Pretzel Time prescribes from time to time to prevent unauthorized use or disclosure of Confidential Information, including, without limitation, restrictions on disclosure thereof to his employees. This confidentiality requirement shall not apply in a judicial or administrative proceeding to the extent Franchisee is legally compelled to disclose such information, provided Franchisee shall have used his best efforts and shall have afforded Pretzel Time the opportunity to obtain an appropriate protective order or other assurance satisfactory to Pretzel Time of confidential treatment for the information required to be so disclosed. This restrictions on Franchisee's disclosure and use of the Confidential Information shall also not apply to the disclosure of information, methods, procedures, techniques and knowledge which are or become generally known in the food service business in the Territory, other than through disclosure (whether deliberate or inadvertent) by Franchisee. Notwithstanding the foregoing and any other provision of this Agreement, Franchisee may use the Confidential Information in connection with the operation of other Pretzel Time Units (in addition to the Unit) pursuant to other Franchise Agreements with Pretzel Time. 22.B. DISCLOSURE OF IDEAS AND NEW PROCEDURES. Franchisee shall fully and promptly disclose to Pretzel Time, all ideas, concepts, methods and techniques relating to the development and operation of a dessert or snack food business conceived or developed by the Franchisee and/or Franchisee's employees during the term of this Agreement. Franchisee agrees and grants to Pretzel Time and its Affiliates a perpetual and worldwide right to use and authorize other Pretzel Time Units or other food service businesses operated by Pretzel Time or its Affiliates, franchisees and designees to use such ideas, recipes, formulas, concepts, methods, and techniques relating to the development and/or operation of a dessert or snack food business. If incorporated into the Pretzel Time System for the development and/or operation of Pretzel Time Units, such ideas, recipes, formulas, concepts, methods and techniques shall become the sole and exclusive property of Pretzel Time without any further consideration to Franchisee. Pretzel Time shall have no obligation to make any lump sum or on-going payments to Franchisee with respect to any such idea, concept, method, technique or product. Franchisee agrees that Franchisee will not use nor will it allow any other person or entity to use any such concept, method, technique or product without obtaining Pretzel Time's prior written approval. 23. ENFORCEMENT. 23.A. UNAVOIDABLE DELAYS. Delays in the performance of any duties hereunder which are not the fault of, and not within the reasonable preventive control of, the party due to perform, including but not limited to, fire, flood, labor disputes, natural disasters, acts of God, civil disorders, riots, insurrections, work stoppages, slowdowns or disputes, or other similar events, shall not cause a default in said performance, but the parties shall extend the time of performance for a period of time equivalent to the length of delay, or for such other reasonable period of time as agreed by the parties. 23.B. RIGHTS OF PARTIES ARE CUMULATIVE. The rights of Pretzel Time and Franchisee hereunder are cumulative and no exercise or enforcement by Pretzel Time or Franchisee of any right or remedy hereunder shall preclude the exercise or enforcement by Pretzel
"""

Extract the exact clause related to "Irrevocable Or Perpetual License" from the excerpt above.

assistant: Franchisee agrees and grants to Pretzel Time and its Affiliates a perpetual and worldwide right to use and authorize other Pretzel Time Units or other food service businesses operated by Pretzel Time or its Affiliates, franchisees and designees to use such ideas, recipes, formulas, concepts, methods, and techniques relating to the development and/or operation of a dessert or snack food business.