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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time this Agreement is agreed to by the Customer, the Customer will have notified MMMW of the location(s) of the hardware. MMMW shall not be required to furnish On Call service at any other location. The Customer shall notify MMMW of any change in location and MMMW may elect not to provide On Call service at the changed location. i) The Customer shall provide full, free, timely and safe access to the hardware for MMMW to provide the service. ii) MMMW may elect to exchange or repair the hardware requiring remedial service during MMMW's normal service hours at the hardware location. MMMW may use a MMMW selected independent contractor for exchange service. MMMW accepts responsibility for all work performed. 4. EXCLUSIONS (a) There could be an increase in service time caused by accident, misuse, disaster, abuse, alterations, attachments, parts, options, or repairs not provided by MMMW, failure to provide a suitable operating environment, relocation of the equipment by non-Medical Manager, Midwest, Inc. personnel, or use of the hardware for purposes other than intended. (b) Service does not include repair or replacement of normally dispensable items such as diskettes, tapes, printer ribbons, cartridges, toners, etc. 5. CHARGES (a) Charges will be invoiced and are payable within thirty (30) days after the date of the invoice. All charges are subject to change by MMMW for the forthcoming period capped at the CPI annually, on thirty days written notice. MMMW reserves the right to apply [*] finance charges. (b) If MMMW notifies the Customer of any increase in charges in accordance with paragraph (a) above, the Customer may cancel the forthcoming service by advising MMMW in writing within thirty (30) days after notification of the change. If MMMW is not so advised, it is conclusively presumed that the Customer has accepted such change. (c) The charges do not include applicable taxes. Any applicable taxes or amounts in lieu thereof and interest thereon paid or payable by MMMW, shall be borne by the Customer. 6. NON-DISCLOSURE While this Agreement is in effect and thereafter, the Customer shall keep confidential and protect from disclosure to others any materials designated as containing information confidential or proprietary to MMMW and/or its licensor. On the ending or cancellation of this Agreement any proprietary information shall be destroyed or returned to MMMW. 7. SAFETY CHANGES If MMMW determines that changes in safety are required for the Technical Infrastructure, MMMW has the right to install them and to select the method of installation. 8. WARRANTY (a) MMMW warrants that the Technical Infrastructure remains in satisfactory operating condition provided it is: 1) continuously subject to MMMW's inspection and acceptance of the hardware for service; and 2) subject to normal use and conditions. MMMW's sole and exclusive obligation under this warranty shall be at its option to repair or exchange any hardware not in satisfactory operating condition. Said obligation shall be subject to the conditions and charges of Section 3, 4 and 5 and the prompt submission of (or notification to MMMW of the problem) the hardware to MMMW for service. (b) EXCEPT AS EXPRESSLY STATED IN THIS AGREEMENT, THERE ARE NO WARRANTIES, EXPRESS OR [*] Confidential portions omitted and filed separately with the Securities and Exchange Commission. 4 IMPLIED, BY OPERATI0N OF LAW OR OTHERWISE. MMMW DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE. (c) MMMW's warranties extend only to the Customer and may not be changed except by an instrument in writing as provided in Section 11(g). 9. LIMITATION OF LIABILITY (a) MMMW's entire liability and the Customer's sole and exclusive remedy for claims related to or arising out of this Agreement for any cause and regardless of the form of action, whether in contract or tort, including negligence and strict liability, shall be the remedies set forth in Section 8, provided that if MMMW fails after repeated attempts to perform those remedies, MMMW's entire liability shall be the Customer's actual, direct damages such as would be provided in a court of law, not to exceed the charge for service for the item that caused the damages. (b) MMMW shall NOT be liable for INCIDENTAL or CONSEQUENTIAL DAMAGES, even if MMMW has been advised, knew or should have known of the possibility of such damages. (c) SOME STATES HAVE LAWS REQUIRING WARRANTY AND LIABILITY RIGHTS DIFFERENT FROM THOSE STATED IN THIS AGREEMENT. IN SUCH STATES, THE MINIMUM REQUIRED WARRANTY AND LIABILITY TERMS WILL APPLY. 10. GENERAL PROVISIONS (a) MMMW is not responsible for failure to provide services
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Extract the exact clause related to "Effective Date" from the excerpt above.