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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what concerns the confidentiality of the information. 5.5.1.2. The Customer does not have any responsibility for the accidents that might be suffered by the staff of EIT, orfor the damages that might be caused by it to third parties, in the framework of its activities. 5.5.2. SUBCONTRACTING EIT assumes full responsibility for the execution of the tasks carried out by any subcontractor. The subcontractor is equally obliged to assure the service level, the confidentiality and the security convened in the Agreement, for the provision of these services. It is the responsibility of EIT to enter into an agreement with the subcontractor to ensure their performance. 7 Source: FERROGLOBE PLC, F-4/A, 6/24/2015 6. SUPERVISION OF THE SERVICE LEVEL 6.1. EIT commits to provide monthly measurements to analyse the service level defined in Annex 2. 6.2. The parties will analyse monthly these measurements in order to identify what can be improved. 6.3. The parties will review annually by mutual agreement the contents and aims of the Service Level Agreement. 7. PAYMENTS AND PRICING 7.1. TOTAL ANNUAL AMOUNT The total annual amount to be paid, excluding taxes, for the year 2009, for the total provision of the services described in Article 2 of this Agreement, as well as the supervision of these (establishment of measurements and supervision meetings) will be: TWO HUNDRED THOUSAND EUROS (200,000 €) 7.1.1. This amount has been fixed for the two factories of Silicon Smelters: Polokwane and Rand Carbide, being the annualamount per factory A HUNDRED THOUSAND EUROS (100,000 €). 7.1.2. If one of the factories closes down, the total amount due will be reduced pro rata for the rest of the annual period for thefactory's annual amount. 7.2. INVOICING 7.2.1. The invoicing of this amount will be carried out quarterly. The invoices will be issued by EIT at the start of each term. Such invoice must be paid by the customer within 45 days of the date on which the invoice is issued. 7.2.2. INFRASTRUCTURE COSTS 7.2.3. The costs of the communication lines, the network infrastructure, the local servers, the micro computing material (PC andprinters) are the Customer's responsibility and it is not included in the total annual amount defined in this Agreement. 7.3. ANNUAL PAYMENT REVIEW 7.3.1. The amount defined in Article 6.1 will be subjected to annual revision, following the publication of the Consumer Price Index in Spain (Spanish CPI) in January of each financial year by the National Statistics Institute of Spain. It will correspond to the financial year that has concluded. 8 Source: FERROGLOBE PLC, F-4/A, 6/24/2015 7.3.2. The Annual Package Price does not include a protection to inflation. For this reason, the amount will be adjusted annually,according to the growth of the Spanish CPI as was indicated above. 7.3.3. The new payment is calculated using the following formula: R = R0 * (S+1), where: 7.3.4. R0 is the payment corresponding to the previous year. 7.3.5. R is the new payment, and 7.3.6. S is the last Spanish CPI published on the revision date. 7.3.7. As a result, once the first year, since the date the Agreement was executed, has passed, and on this same date on thefollowing years, the annual price will be modified in proportion with the growth of the Spanish CPI. 7.3.8. In case that the National Statistics Institute of Spain does not publish the CPI or it be significantly modified in form andcontent, the parties will agree to a new equivalent measurement, which must be published at least annually. 8. INTELLECTUAL PROPERTY 8.1. The Intellectual Property of the programmes in the application GES-INDUS, used by the Customer's exploitation of the managementsystems, belongs to EIT. 8.2. The rights of Intellectual Property also protect the programmes that might be created, and the data processing, accounts, and diagramsgenerated by the mentioned programme. 9. WARRANTY 9.1. Solution's Adequacy 9.1.1. EIT guarantees that the solution suggested to the Customer in each moment is the best possible one for the needs of theCustomer. 9.2. Cost Saving 9.2.1. EIT declares that the way of acting will always be governed by the cost saving principle. 9 Source: FERROGLOBE PLC, F-4/A, 6/24/2015 9.3. Technology 9.3.1. EIT commits to maintain its IT environment in accordance to the technological advances, in order to prevent it frombecoming obsolete. 9.4. Quality Control 9.4.1. EIT guarantees that the services described in this Agreement will be rendered in accordance with the best practice, aquality level accepted by the Customer, and in accordance with the service levels defined in Annex 2. 9.5. Availability 9.5.1. The IT
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Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: Not found.