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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open El Pollo Loco® Restaurants in a timely manner pursuant to the Development Schedule, Franchisor will suffer lost revenues, including royalties and other fees which would be difficult to calculate and which Franchisor would have received had Developer met the agreed schedule or had Franchisor had the right to grant development rights to others in the Territory. 2.17. Developer acknowledges that the estimated initial investment and estimated expenses set forth in Items 6 and 7 of our Franchise Disclosure Document are subject to and likely to increase over time, and that future El Pollo Loco® Restaurants will likely involve a greater initial investment and operating capital requirements than those stated in the Franchise Disclosure Document provided to you prior to your execution of this Agreement. 2.18. Developer understands and acknowledges that in accepting Developer's proposed site or by granting a franchise for each approved site, Franchisor does not in any way, endorse, warrant or guarantee either directly or indirectly the suitability of such site or the success of the franchise business to be operated by Developer at such site. The suitability of the site and the success of the franchise business depend upon a number of factors outside of Franchisor's control, including, but not limited to, the Developer's operational abilities, site location, consumer trends and such other factors that are within the direct control of the Developer. Source: EL POLLO LOCO HOLDINGS, INC., 10-K, 3/6/2020 2.19. The purpose of this Agreement is to promote orderly incremental growth within the El Pollo Loco® System. The acquisition of existing El Pollo Loco® restaurants by Developer does not represent incremental growth and, therefore, does not satisfy the terms of this Agreement pertaining to development. 2.20. (To be added where there are existing restaurants in the Territory) Developer acknowledges that Franchisor (i) is operating or has franchised another to operate, one (1) or more restaurants in the Territory or (ii) has granted franchise rights to another in the Territory or (iii) approved a new site for development for those locations identified in Exhibit "C" attached hereto and incorporated herein by this reference. Developer further acknowledges that Franchisor retains the sole and absolute right to approve or disapprove any proposed location for development under this Agreement if, in Franchisor's reasonable judgment: (i) such proposed location is not suitable for an El Pollo Loco® Restaurant or (ii) such proposed location will have a material adverse effect on the profitability of another existing El Pollo Loco® location (or approved site) in the Territory. Developer covenants to use its reasonable best efforts to avoid selecting proposed locations that would adversely impact pre-existing locations in the Territory. 3. Development Fee. 3.1. Developer shall pay to Franchisor upon execution of this Agreement a non-refundable Development Fee (the "Development Fee") equal to Twenty Thousand Dollars ($20,000) in immediately available funds, for each El Pollo Loco® Restaurant to be developed under this Agreement. The Development Fee is consideration for this Agreement. The Development Fee is not consideration for any Franchise Agreement and is non-refundable. The $20,000 Development Fee for each El Pollo Loco® Restaurant shall be applied against the initial franchise fee payable upon the execution of the Franchise Agreement applicable to such El Pollo Loco® Restaurant. As a benefit of signing the Development Agreement, the Initial Fee for the second and each subsequent restaurant developed under the same Development Agreement will be reduced by us to $30,000. As an example, the Initial Fee for the first restaurant developed under a Development Agreement would be $40,000 to which $20,000 (from the Development Fee will be credited. The Initial Fee for the second and remaining restaurants developed under the same Development Agreement would be $30,000, to which $20,000 from the Development Fee will be credited. If this Agreement is terminated pursuant to Sections 10 or 11 below, Developer will lose its right to develop and Development Fee. 4. Term of Development Agreement. 4.1. This Agreement shall commence on the date specified in Exhibit "B". Unless terminated pursuant to Section 10 or 11 below, it shall expire upon the earlier of the date specified in Exhibit "B" or upon the opening of the last El Pollo Loco® Restaurant listed in the Development Schedule. 5. Territory Conflicts. 5.1. The rights granted Developer in this Agreement are subject to any prior territorial rights of other franchisees which may now exist in the Territory, whether or not those rights are currently being enforced. In the event of a conflict in territorial rights, whether under a Franchise Agreement
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Extract the exact clause related to "Warranty Duration" from the excerpt above.