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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Company the works necessary to restore such TSO based on Time and Material conditions. [*****] 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 79/110 Source: AZUL SA, F-1/A, 3/3/2017 Execution version 7. Payment and transfer of the property title 7.1 Save as otherwise set out in this Agreement, the purchase price for any Item of the Stock shall be paid in accordance with the provisions of Clause 12 ("Invoicing and payment terms"). 7.2 Notwithstanding the provisions of Clause 5 above, title to the Stock shall remain with Stock owner at all times until the Stock has been purchased by the Company as per Clause 6 above and provided that any amount of the corresponding invoice has been fully received by the Repairer in accordance with Clause 12 ("Invoicing and payment terms"). The Company specifically agrees that it shall not acquire any interest, equity or share of the Stock, or pledge or create any lien of any sort whatsoever prior to the transfer of title to the Stock to it in accordance with this Agreement and shall fully indemnify the Stock Owner and/or the Repairer with respect to any consequence of a non-compliance with its obligations under this Clause 7.2. 7.3 The Company may not, under any circumstances, perform or permit any action to be taken that may be detrimental to the Repairer's and/or Stock owner's property title to the Stock, including: i) The Company must not transfer, sell, charge, pawn, mortgage, negotiate, dispose of, or intend to negotiate or dispose of the Stock; and, ii) The Company shall take the necessary measures in order to prevent the Stock from being seized or taken away, or to check the Stock in the event of a seizure by distress or any other similar legal process. However, if the Stock is seized or taken away, the Company must immediately notify the Repairer and indemnify the Repairer and/or the Stock owner for any Loss incurred by the Repairer and/or the Stock owner as a result of the above-mentioned events, and shall mitigate any such Loss by using its reasonable endeavours to re- possess the Stock or to re-acquire the Stock. 7.4 Case of use of the Stock as per Clause 5 of the Exhibit 8 ("Lease of the Stock"): the title to the Item withdrawn from the Stock shall pass to the Company upon installation of such Item on the Aircraft, subject to (i) full and complete payment of any and all sums due by the Company in connection with this Agreement and (ii) the completion of all of its obligations under Clause 5 of the Exhibit 8 ("Lease of the Stock"). The title to the Item removed from the Aircraft and sent to the Repairer for repair as per Clause 5 hereof shall pass to the Repairer and/or the Stock owner, as relevant, upon such removal. AZUL-ATR Global Maintenance Master Agreement DS/CS-3957/14/Issue 7 Page 80/110 Source: AZUL SA, F-1/A, 3/3/2017 Execution version CONFIDENTIAL TREATMENT REQUESTED EXHIBIT 9 - SPARE PARTS STANDARD EXCHANGE SERVICE The Company shall granted access to the Pool on a standard exchange basis where the Company may order any LRU listed in Exhibit 6 and provide the Repairer in return with an equivalent (same part number or same standard interchangeable) unserviceable LRU removed from the Aircraft. This right of access to the Pool is not exclusive to the Company. 1. Pool content The Pool is a set of serviceable LRUs listed in Exhibit 6 ("LRUs covered by repair and standard exchange Services") available upon the Start Date, provided the Company has complied with its obligations pursuant to Clause 17 ("Conditions precedent"). In the event of any Aircraft technical modification and upon the Company 's written request, the Repairer may update the list set forth in Exhibit 6 ("LRUs covered by repair and standard exchange Services"), in which case, the price set out in Clause 1.2 of the Exhibit 14 ("Price conditions") shall be adjusted accordingly. 2. Access to the Pool To access the Pool and take Delivery of the requested LRU, the Company must place a written standard exchange Work Order (by filling the form ref 7-1 in Exhibit 7) with the Repairer. 3. Repairer's obligations 3.1 Pool management The Repairer shall be responsible for managing and maintaining the Pool at his own expense and in compliance with the relevant OEM recommendations. Any LRU from the Pool delivered to the Company by the Repairer or any Repair Shop
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Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.

assistant: Not found.