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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a monthly basis. Invoices will be paid within 15 days of receipt. -4- 5 6. DOCUMENTATION AND DISPUTES. Client will be provided upon request with documentation supporting the amount charged (other than the minimum monthly fees listed in Section 4) and will be entitled to contest any charge (other than the minimum monthly fees listed in Section 4), provided that Client timely pays all contested amounts. TrueLink agrees that the costs for any Hosting Services will not increase for a period of one year from the date of this Agreement and that rates charged for Hosting Services will not exceed that charged by TrueLink to any other party. 7. UNSOLICITED COMMERCIAL E-MAIL. Client shall not engage in the practice commonly known as "spamming" pursuant to the rights granted hereunder. This includes but is not limited to, the following: posting an article or advertisement to more than ten (10) news groups, forums, e-mail mailings lists or other similar groups or lists; or sending unsolicited mass e-mailings to more than twenty-five (25) e-mail users, if such unsolicited e-mailings provoke complaint. 8. COVENANTS AND WARRANTIES OF CLIENT a. Compliance with Laws. Client will comply in all material respects with applicable state and federal consumer credit reporting, privacy and similar laws in connection with its use of the Interface. b. Notification. Client shall not represent that loan underwriting decisions related to loans originated by using the Interface are in any way made by TrueLink in communicating all loan approvals or denials in accordance with the foregoing. c. Limitation on Access. Client will use reasonable commercial efforts consistent with the protection of Client Proprietary Information to restrict access to the Interface to its officers, employees, and agents as may be approved by Client. d. Use of Credit Data during the term of this Agreement. Client hereby grants to TrueLink the nonexclusive worldwide right and license to use, distribute, disseminate, license, resell, exploit, upload, display, copy and store Credit Data subject to the limitations set forth in and in accordance with the Non-Competition Agreement. e. Representations of Client. Client represents and warrants: (a) Client is the owner, valid licensee, or authorized user of the Client Content, (b) to Client's actual knowledge the use of the Client Content shall not infringe the copyright, trade secret, trademark or other proprietary or intellectual property right of any third party, or constitute a definition, invasion of privacy, or violation of any right of publicity or other third party right, (c) the Client Content complies in all material respects with applicable federal and state laws regarding posting or transmitting data which is threatening, obscene, indecent, defamatory or in violation of report control was, and (d) to Client's actual knowledge Client Content shall be free at the time provided to TrueLink from viruses, worms, Trojan horses, and any other malicious code. -5- 6 f. Spamming. TrueLink reserves the right at any time to implement technical mechanisms to prevent Client engaging in illegal or obscene activity or in "spamming," TrueLink reserves all legal and equitable rights in enforcing this policy. 9. TRUELINK WARRANTIES. TrueLink represents and warrants that the Interface and all related software (i) is designed to be used before, on and after January l, 2000; (ii) will operate before, on and after January 1, 2000, in the processing of dates, including without limitation calculating, comparing, indexing and sequencing; and (iii) will successfully transition from December 31, 1999, to January 1, 2000, without human intervention. At Client's request, TrueLink will provide sufficient evidence to demonstrate adequate testing of the Interface and all related software to meet the foregoing requirements. Client will provide reasonable access to TrueLink make any repairs necessary to comply with this section and make any upgrades specified by TrueLink to so comply, all at TrueLink's sole cost and expense, to the extent such upgrades were not previously requested by Client pursuant to previously requested Hosting Services or Support Services as set forth herein. 10. CONFIDENTIALITY. a. Client acknowledges its responsibility to preserve the confidentiality of certain technology, information, and documentation embedded in the Interface and agrees to respect the confidential nature of the Interface. Notwithstanding anything to the contrary contained in this Agreement, it is understood and agreed that Client's confidentiality obligations relating to any System and any data, documentation, or other output from such System shall include those specified in any agreements between Client and the licensor of the System. b. TrueLink acknowledges its responsibilities to preserve the confidentiality of all results of the Support Services, Client's Intellectual
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Extract the exact clause related to "Ip Ownership Assignment" from the excerpt above.

assistant: Not found.