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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Customer is responsible for the purchase and maintenance of the workstations and printers. 3.4.2. EIT commits to assist the Customer to implement a master that allows the quick installation of all the standard software inworkstations. 3.5. STANDARD SOFTWARE LICENCES 3.5.1. The Customer will benefit from the group contracts negotiated by EIT in name of Group Villar Mir for the purchase oflicences. 3.5.2. The purchase of licences will be carried out directly by the Customer. 5 Source: FERROGLOBE PLC, F-4/A, 6/24/2015 3.5.3. EIT declares and guarantees the Customer the legal purchase of licences of all the software necessary for the use of thecentral applications created by EIT. 3.5.4. EIT must inform the Customer in due course if any changes take place in licences or in their rights of use. 3.6. DEFINITION OF STANDARDS AND AGREED GUIDELINES EIT is responsible for: 3.6.1. The definition of the technological standards to be used in the Customer's IT environment. 3.6.2. The agreed guidelines with the suppliers, in order to assure the provision of certain services or the purchase of certain ITtools which, according to EIT, are necessary for the provision of the mentioned services. 4. PROJECTS 4.1. Apart from these services, EIT must provide other supplementary services, not considered in the present Agreement. These services include the study, development and implementation of new applications, changing to new platforms, as well as any other service that the Customer may need in the field of IT services. 4.2. The terms and conditions of these services will be separately negotiated if and when it applies. 4.3. For that purpose and before the execution of the mentioned services by EIT, the Customer will pay EIT the package price, previously agreed by the parties. These services can either be carried out directly by EIT or by subcontracts in the sole discretion of EIT, which will have to notify the customer of this fact before the project commence. However if EIT decides to subcontract the project EIT remains responsible for the quality, the cost and the supervision of the services to the satisfaction of the customer. 6 Source: FERROGLOBE PLC, F-4/A, 6/24/2015 5. WORK PLACE AND NATURE OF SERVICES 5.1. The services described in this Agreement are provided from the following location: EIT, P° de la Castellana, 259D, 28046, Madrid,SPAIN. 5.2. For this reason, EIT uses its own IT environment, as well as the local equipment of the Customer, connected by a teleprocessingsystem to the Central Server of EIT. 5.3. If necessary, EIT personnel will travel, in prior agreement with the Customer, to the different factories of the company. In this case, thetravelling expenses (travel, accommodation and meals) will be paid by the Customer. 5.4. The IT environment belongs to EIT during the total course of the Agreement, with exception of the services subcontracted to thirdparties by EIT, for which the subcontractor will be responsible. 5.5. EIT is responsible for the choice of the equipment considered the most appropriate in order to reach the service level convened in this Agreement. This equipment, and its further updates, should it arise, will be shown to the Customer and agreed upon prior to purchase and installation and refusal by the customer will only be valid upon presentation of a justification to EIT. EIT is responsible for the maintenance of its own IT environment, as well as of its maintenance and modernization expenses. 5.5.1. EIT STAFF 5.5.1.1. The work team appointed by EIT to fullfill this Agreement is responsible only to EIT, in accordance with the Spanish law. EIT will supervise and will be responsible for the behaviour and tasks of this team, especially on 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.
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Extract the exact clause related to "Change Of Control" from the excerpt above.

assistant: Not found.