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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(provided that such material is limited to advertising or Product promotion only), public relations and marketing materials, point-of-sale displays, free standing inserts, videos shown to customers and consumers, catalogs for customers and consumers, direct mail (including e-mail) and billboards. Company shall ensure that all uses of the name of the NFLA comply with applicable law. SECTION THREE. PRIOR APPROVAL Company agrees that no use of the name of the NFLA Identification nor any item used in connection with the name of NFLA Identification (including any Licensed Product) will be made under this Agreement unless and until the same is approved by the NFLA. The NFLA agrees that any material, advertising or otherwise, submitted for approval as provided in this section may be deemed by Company to have been approved under this section if the same is not disapproved in writing within ten (10) business days after receipt of the material. The NFLA agrees that it will reasonably cooperate with Company and that any material submitted under this section will not be unreasonably disapproved and, if it is disapproved, that Company will be advised of the specific grounds for disapproval. If Company desires immediate approval of advertising material, Company shall have the right to directly contact the NFLA's authorized agent to obtain such approval. Company agrees to protect, indemnify and hold harmless the NFLA and their authorized agents, or any of them, from and against any and all expenses, damages, claims, suits, actions, judgments and costs whatsoever, arising out of, or in any way connected with any advertising material furnished by, or on behalf of Company, except with respect to any inaccurate information furnished by them expressly for use in such advertising. 3 Source: GRIDIRON BIONUTRIENTS, INC., 8-K, 12/6/2017 SECTION FOUR. REMUNERATION In consideration of the endorsement rights granted under this Agreement, Company shall provide the following remuneration: A. An initial one-time license fee of $35,000.00USD (Thirty-Five Thousand Dollars) payable to the NFLA-NC; B. A one-time $10,000USD (Ten Thousand Dollars) promotional fee payable to NFLA. The $10,000 promotional fee shall be payable in four (4) quarterly payments beginning in 2018: Q1 ($2500); Q2 ($2500); Q3 ($2500); Q4 ($2500). Each payment shall be delivered by no later than the 10t h day of the first month of each quarter. C. A *donation of $0.05 per Unit sold of Licensed Products within the Contract Territory payable to the **NFL Alumni Northern California Chapter. Donated amounts will be allocated and dispersed to the Northern California Chapter beginning on the first full quarter [three (3) month period] of the Agreement and continue on a quarterly basis thereafter for the term of this Agreement. Where the following per Unit conversion shall apply for the term of this Agreement: a. (1) Bottle of BlackMP LivingWater = 1 Unit b. (1 ) 4oz bo t t l e o f BlackMPConcentrate = 30 Units c. (1) Bottle of Zezel ProbioticWater = 1 Unit d. (1) Bottle of Zayin Sports Water = 1 Unit e. (1) Bottle Gridiron MVP™ Water= 1 Unit f. (1) 4oz bottle of Gridiron MVP™Concentrate = 30 Units _____________ * The NFLA-NC will donate 15% of the above described proceeds to the NFLA. ** The Company will provide to the NFLA-NC upon request the most recent quarterly sales report of the Company'sLicensed Products. D. Product Commitment. Up to Two-thousand (2,000) 4oz bottles of BlackMP Living Water Concentrate to be used as a "value appeal" for annual membership renewal (up to a $220,000 value) a l located to the NFLA and provide a combination/assortment of bottle water to NFLA-NC for display and use though out the term of the Agreement at the NFLA-NC facilities. The Company agrees to pay for all shipping costs of the Products under the Product Commitment to the fulfillment center, currently Sharp Marketing, located in Fort Lauderdale, FL and to any subsequent fulfillment center that is contracted by the NFLA to provide distribution to existing and new NFLA members. E. Affiliated Partnership Commitment. Company agrees to facilitate and provide in good-faith their affiliated partnership discount program benefits and access to applicable health and wellness research, information and protocols to NFLA members (Current partnership benefit includes providing NFLA members with a 15% discount on all Kraski's Nutrition Real Products For Real People); and F. Marketing Commitment. Company agrees that it will continue in good-faith to produce and market Licensed Products in the same manner that it is currently producing and marketing such items as of September 2017, unless Company and the NFLA/NFLA-NC believe
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Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.