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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of this Agreement with respect to such Cell Site. At all times and at Vendor's expense, Vendor shall maintain property insurance for all perils, for full replacement cost for all property of AT&T in the care, custody and control of the Vendor. AT&T shall be named as an additional insured and loss payee. Proprietary and Confidential This Agreement and information contained therein is not for use or disclosure outside of AT&T, its Affiliates, and third party representatives, and Vendor except under written agreement by the contracting parties. 43 Source: ATN INTERNATIONAL, INC., 10-Q, 11/8/2019 3.42 Transaction Costs. Except as expressly provided in this Agreement, each Party shall bear its own fees and expenses (including the fees and expenses of its agents, representatives, attorneys, and accountants) incurred in connection with the negotiation, drafting, execution, and performance of this Agreement and the transactions it contemplates. 3.43 Utilization of Minority, Women, and Disabled Veteran Owned Business Enterprises (a) Vendor shall submit annual participation plans in the form set forth at http://www.attsuppliers.com no later than the Effective Date and by December 31 of each calendar year thereafter, establishing Vendor's goals for the upcoming reporting period for participation by minority owned business enterprises ("MBE"), women owned business enterprises ("WBE") and disabled veteran owned business enterprises ("DVBE"), with "participation" expressed as a percentage of aggregate estimated annual purchases by AT&T for the reporting period. (b) By the tenth day following the close of each calendar month, Vendor shall, in a format and manner acceptable to AT&T, report actual results of its efforts to meet the goals set forth in the applicable participation plan during the preceding calendar month. When reporting results, Vendor shall count only expenditures with entities that are certified as MBE, WBE, or DVBE firms by third party certifying agencies recognized by AT&T, as listed on http://www.attsuppliers.com. 3.44 Vendor Personnel and Employment Matters (a) Personnel provided by Vendor shall be considered solely the employees of Vendor or its Subcontractors and not employees or agents of AT&T. Vendor has and shall retain the right to exercise full control of and supervision over the performance of the Services and full control over the employment, direction, assignment, compensation, and discharge of all personnel performing the Services. Vendor and its Subcontractors are and shall be solely responsible for all matters relating to compensation and benefits for all personnel provided by Vendor. Vendor shall ensure that all persons furnished by Vendor conduct themselves in a professional manner and in accordance with all policies set forth in this Agreement, the Build Addendum and the Maintenance Addendum. (b) If AT&T requests that Vendor or its Subcontractor remove any person provided by Vendor or its Subcontractor from AT&T's account for any lawful reason, then Vendor shall immediately comply with such request. Vendor shall, at no cost to AT&T, provide a qualified replacement. 3.45 Warranty (a) The warranty period for all Material (excluding AT&T Provided Equipment) shall commence upon Delivery of such Material to Vendor from the OEM and shall continue for a period equal to the longer of (i) [***] or (ii) the applicable warranty period actually received by Vendor from the OEM for such Material Vendor acquired directly from the OEM, including the Vendor Provided Equipment as defined in the Build Addendum (the "Material Warranty Period"). Vendor provides no warranty for Material with respect to any AT&T Provided Equipment. The warranty period for workmanship and all Services provided Proprietary and Confidential This Agreement and information contained therein is not for use or disclosure outside of AT&T, its Affiliates, and third party representatives, and Vendor except under written agreement by the contracting parties. 44 Source: ATN INTERNATIONAL, INC., 10-Q, 11/8/2019 hereunder, including the Build Services contemplated in the Build Addendum, shall commence upon Location Acceptance of the applicable Cell Site and continue for a period equal to [***] from Location Acceptance of the applicable Cell Site (the "Workmanship Warranty Period"). For the duration of such warranty period, Vendor represents and warrants to AT&T as follows: (i) Material (excluding AT&T Provided Equipment) furnished hereunder will be merchantable, free from defects in design, material and workmanship, fit and sufficient for the purposes set forth in the Agreement, free from all Liens at the time of Location Acceptance, and will during the Material Warranty Period strictly conform to and perform in accordance with applicable Specifications, drawings and samples. (ii) Services provided hereunder will be performed (A) in a professional and efficient manner, in strict compliance with the Specifications, (B) with the care, skill, and diligence,
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: The warranty period for all Material (excluding AT&T Provided Equipment) shall commence upon Delivery of such Material to Vendor from the OEM and shall continue for a period equal to the longer of (i) [***] or (ii) the applicable warranty period actually received by Vendor from the OEM for such Material Vendor acquired directly from the OEM, including the Vendor Provided Equipment as defined in the Build Addendum (the "Material Warranty Period").