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:
"""
licenses, products, interfaces and network management services associated with the PC Teller and Sales Partner/BankerInsight software, in accordance with the Retail Delivery Systems Agreement ("RDS Agreement") set forth in attached Exhibit A. Customer shall execute the RDS Agreement contemporaneously with execution of this Agreement. 6.8 Visa Check/MasterMoney Card Services. M&I agrees to provide the Visa Check card ("Bankcard Services") as further described on Schedule 6.2. Customer agrees to use M&I primarily for Customer's Bankcard Services data processing. A. Customer has membership in Visa U.S.A. Inc. Customer shall provide M&I with copies of its fully executed Visa U.S.A. Inc. membership agreement promptly after execution of this Agreement by Customer. B. Customer shall comply with the articles, bylaws, operating regulations, rules, procedures and policies of Visa U.S.A. Inc. and shall be solely responsible, as between Customer and M&I, for any claims, liabilities, lawsuits and expenses arising out of or caused by Customer's failure to comply with the same. Customer agrees to maintain an account at Tri City National Bank and Customer hereby authorizes M&I to charge any amounts due to M&I, for Bankcard Services, against any credits due to Customer to Customer's account whether or not such charges create overdrafts. 6.9 EFT Services. M&I agrees to provide the EFT services more particularly described on Schedule 6.2. A. Customer understands and agrees that M&I may terminate EFT services immediately in the event M&I's access to any shared electronic funds transfer system is terminated by the network provider. Customer further agrees that the software used to provide the EFT services may not be available for license by Customer. 7. FACILITIES MANAGEMENT INTENTIONALLY OMITTED 8. FEES 8.1 Fee Structure. Schedule 8.1 attached hereto (the "Fee Schedule") sets forth the costs and charges to be paid by Customer for the Services. These costs and charges are included in one or more of the following categories: (i) one-time fees associated with Conversion, software licenses, interfaces and consulting fees; (ii) a minimum monthly fee ("Monthly Base Fee") for certain bundled data processing Services, based on the volume of resource units used to provide such Services. Increases in actual volumes shall result in additional charges based on resource Units used, which charges are further described in the Fee Schedule; and (iii) an hourly or daily fee for programming, training and related Services. 8.2 Conversion. Customer agrees to pay M&I the fees relating to the Conversion on the terms and conditions set forth on the Fee Schedule ("Conversion Fees"). In addition to the Conversion Fees, Customer agrees to (i) reimburse M&I for all Expenses reasonably incurred in connection with the Conversion; (ii) for all Conversion charges of additional accounts as they are incurred or for the Conversion of products not identified in the Conversion Plan; (iii) for M&I personnel or any independent contractors who perform Conversion or related services which are identified as the responsibility of the Customer in the Conversion Plan; and (iv) for Conversion charges which may arise after the Conversion or with respect to accounts which are not currently Customer accounts which are later converted to the M&I system. 8.3 Pricing and Operational Assumptions. The Fee Schedule sets forth the operational and pricing assumptions made by M&I following completion of its preliminary due diligence of Customer's requirements and its evaluation of information provided by Customer. If, prior to the Conversion Date, the parties determine that one of more of the pricing or operational assumptions listed in the Fee Schedule is inaccurate or incomplete in any material respect, the parties will negotiate in good faith regarding an equitable adjustment to any materially and adversely impacted provisions of this Agreement. 8.4 Banking Applications Services. Following the Conversion of the Accounts DP Services, Customer agrees to pay to M&I the fees for the Accounts DP Services as set forth on the Fee Schedule. 8.5 Corporate Support Services. INTENTIONALLY OMITTED 8.6 Item Processing Services. INTENTIONALLY OMITTED 8.7 Management Services. INTENTIONALLY OMITTED 8.8 Visa Check/MasterMoney Card Services. Following commencement of the Bankcard Services, Customer agrees to pay to M&I the fees set forth on the Fee Schedule. Notwithstanding any provision to the contrary in the Agreement, or any general discount specified in the Fee Schedule, the fees for Bankcard Services shall not be subject to any discounts. In addition to the charges specified on the Fee Schedule, Customer shall be responsible for all interchange fees and all dues, fees and assessments established by and owed to Visa U.S.A. Inc. and/or MasterCard International for the processing of Customer's transactions. 8.9 EFT Services. Following
"""

Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.