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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the limited access right granted to Customer in this Agreement, all right, title and interest in and to the Software (including any and all modifications as a result of any implementation services rendered) and the eGain System are and shall remain the exclusive property of eGain and its licensors. eGain acknowledges and agrees that the Online Messages are the property of Customer and that eGain has only a limited right to use the Online Messages as set forth in the following sentence. Notwithstanding the foregoing, eGain may access and disclose the Online Messages solely as necessary to provide the Hosting Services, to operate and maintain its systems, to comply with applicable laws and government orders and requests, and to protect itself and its customers. 5. Pricing and Payment. Customer agrees to pay the fees and other charges for the Hosting Services and other services provided under this Agreement as specified in Exhibit A of this Agreement. CUSTOMER AGREES TO PAY FOR HOSTING SERVICES ON OR BEFORE THE FIRST DAY OF THE MONTH IN WHICH THE HOSTING SERVICES ARE PROVIDED, except that, with respect to Additional Fees (as defined in Exhibit A), eGain will invoice Customer for such Fees in the month after the month in which such fees accrue as provided in Exhibit A. All amounts payable hereunder are exclusive of any and all taxes, and Customer is responsible for payment of such taxes (excluding taxes based on eGain's net income). All prices are stated, and Customer shall pay, in United States dollars. Payment received by eGain after the due date shall be subject to a late fee equal to one and one-half percent (1.5%) per month, or, if less, the maximum amount allowed by applicable law. At the end of the initial one-year term of this Agreement and any subsequent one-year terms, eGain may adjust the monthly fee payable under this Agreement by providing Customer written notice of such adjustment at least sixty (60) days prior to the beginning of the new term. 6. Limited Warranties; Disclaimer of Warranties. 6.1 eGain warrants and represents to Customer that (i) the Software will perform substantially in accordance with the documentation, if any, provided by eGain to Customer, and (ii) the Hosting Services will be performed in a professional and workmanlike manner and in accordance with Section 2. In the event of Downtime (as defined in this Section 6.1 below), as Customer's sole and exclusive remedy and eGain's sole and exclusive liability, the monthly fee payable for the Hosting Services shall be reduced as follows: a) For the first sixty (60) minutes of Downtime during Normal Business Hours or the first four (4) hours of Downtime outside of Normal Business Hours ("Initial Downtime"), eGain will credit Customer's account for one (1) day of service. b) For each eight (8) hour period of Downtime per day in addition to the Initial Downtime, eGain will credit Customer's account for one (1) additional day of service. For the purposes of this Agreement, "Downtime" shall mean any interruption in the availability of Hosting Services to Customer (excluding scheduled interruptions of which Customer is notified 48 hours in advanced), only if such interruption is due either to: 1) an error in the Software, or 2) failure of the eGain System (but not including problems associated with Internet connectivity). Downtime begins upon Customer notification to eGain of the interruption, either eGAIN COMMUNICATIONS CORPORATION HOSTING AGREEMENT by speaking directly with an eGain customer service representative or recording a voice mail message in the eGain customer service voice mail box, and continues until the availability of the Hosting Services is restored to the Customer. For purposes of this Agreement, "Normal Business Hours" shall mean between the hours of 6:00 a.m to 6:00 p.m. Pacific time, Monday through Friday excluding national holidays. In the event of a breach (other than Downtime) of the warranty set forth in Section 6.1(i) above, Customer's sole and exclusive remedy, and eGain's sole and exclusive liability shall be, at eGain's option, repair or replacement of the Software. THE FOREGOING CONSTITUTES CUSTOMER'S SOLE AND EXCLUSIVE REMEDY, AND eGAIN'S ENTIRE LIABILITY, FOR DOWNTIME AND FOR BREACH OF THE HOSTING SERVICES WARRANTY PROVIDED IN THIS SECTION 6.1. 6.2 eGain represents and warrants that, prior to, during and after the calendar year 2000 A.D., the Software and the eGain System will process, calculate, manipulate, sort, store and transfer date data without material error or material performance degradation, including without limitation date data which represents or references different centuries or more
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Extract the exact clause related to "Irrevocable Or Perpetual License" from the excerpt above.