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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Start Date (the "Initial Term"). 3.2 Upon expiry of the Initial Term, this Agreement [*****] unless a Notice of non-renewal is given by either Party to the other Party [*****] prior to the expiry of the Initial Term or the end of a renewal period, if any. 3.3 The Agreement shall end on the End Date without any further action, unless otherwise provided under this Agreement. 4. EXCUSABLE DELAY 4.1 If a Party (the "Affected Party") is prevented, hindered or delayed from or in performing any of its obligations under this Agreement by an event which is unpredictable and unavoidable, including war or civil or foreign armed aggression, riots, fires, floods, explosions, earthquakes or accidents, epidemics or quarantine restrictions, any act of a Government Entity, embargoes, export prohibitions, failure by a subcontractor and/or vendor to furnish supplies or parts or delay the same, strikes or labour troubles causing cessation of work, such event will be referred to as an "Excusable Delay". 4.2 The Affected Party will give Notice to the other Party (the "Non-Affected Party") of such Excusable Delay as soon as reasonably possible after it becomes aware thereof, and the Affected Party will use its reasonable endeavours to mitigate the effects of such Excusable Delay, without being obliged however to incur any unreasonable costs. 4.3 Neither Party shall be held liable, or deemed to be in Default, if it fails to perform its obligations under this Agreement due to an Excusable Delay; without prejudice to Clause 4.5 hereinafter, the time fixed for the performance by the Affected Party of its obligations affected by the Excusable Delay shall be equivalent to the time set out under this Agreement plus a grace period equivalent to the time lost further to the occurrence of and because of the Excusable Delay. 4.4 As soon as reasonably possible after the end of the Excusable Delay, the Affected Party shall give Notice to the Non-Affected Party that the Excusable Delay has ended. 4.5 If the Excusable Delay continues for more than [*****] as from the receipt by the Non-Affected Party of the Notice as per Clause 4.2, each Party shall be entitled to terminate this Agreement according to the terms of Clause 16.4 hereof. 5. SERVICES AND OBLIGATIONS OF THE PARTIES 5.1 Services [*****] Confidential material redacted and filed separately with the Securities and Exchange Commission. AZUL-ATR Global Maintenance Master Agreement DS/CS-3957/14/Issue 7 Page 15/110 Source: AZUL SA, F-1/A, 3/3/2017 Execution version CONFIDENTIAL TREATMENT REQUESTED The Repairer shall provide the Company with the Services listed in Exhibit 2 ("List of Services provided under this Agreement"). 5.2 General conditions of the Services 5.2.1 The Services shall comply with the applicable AMM, MRBR and MPD issued by ATR, as Aircraft manufacturer, and the relevant CMM in force as of the Signing Date, and with the EASA and/or FAA or ANAC regulations in force at the time of performance of such Services 5.2.2 Should the AMM, MRBR or the MPD be modified in a manner that is likely to modify or impact the performance of the Services, the Parties hereby agree to negotiate in good faith the consequences of such modifications and impacts on this Agreement (including on the prices set out in Exhibit 14 "Price conditions"). 5.2.3 Audit of the Repair: Company shall have the right, under EUR OPS or PART M equivalent applicable regulation approval, to audit the management and the performance of the Services provided by the Repairer under this Agreement, subject to giving a [*****] prior Notice to the Repairer. The cost of any such audits by the Company's representative(s) shall be borne by the Company unless if, as a result of that audit, the Repairer is found to be in Default, in which cases the cost of such audit will be borne by the Repairer. 5.2.4 Company's audit: at any time during the Term, the Repairer may: (i) audit the management and the performance of the Company's maintenance activities which are still under Company'sresponsibility; and/or, (ii) arrange for operational visits, in order to check that the Company complies with its obligations under this Agreement; and/or, (iii) investigate in any place, with the assistance of the Company, the causes of any abnormal removal or failure rate of any Itemand/or Abnormal Use. The Repairer shall give a Notice to the Company no later than [*****] prior to such audit or operational visit. The Company shall provide at no cost for the Repairer all necessary support to the Repairer's representative(s) and give access to: (i) the
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Extract the exact clause related to "Expiration Date" from the excerpt above.

assistant: The Agreement shall end on the End Date without any further action, unless otherwise provided under this Agreement.