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:
"""
18.0 MUTUAL REPRESENTATIONS AND WARRANTIES 18.1 Each Party represents and warrants the following: (a) the Party's execution, delivery and performance of this Agreement (i) have been authorized by all necessary corporate action, (ii) do not violate the terms of any law, regulation, or court order to which such Party is subject or the terms of any material agreement to which the Party or any of its assets may be subject and (iii) are not subject to the consent or approval of any third party; (b) this Agreement is the valid and binding obligation of the representing Party, enforceable against such Party in accordance with its terms; and (c) such Party is not subject to any pending or threatened litigation or governmental action which could interfere with such Party's performance of its obligations hereunder. 19.0 REPRESENTATIONS AND WARRANTIES OF SUPPLIER 19.1 In rendering its obligations under this Agreement, without limiting other applicable performance warranties, Supplier represents and warrants to Bank of America as follows: (a) Supplier is in good standing in the state of its incorporation and is qualified to do business as a foreign corporation in each of the other states in which it is providing Products or services hereunder; (b) Supplier shall secure or has secured all permits, licenses, regulatory approvals and registrations required to deliver Products or render services set forth herein, including without limitation, registration with the appropriate taxing authorities for remittance of taxes; and (c) Supplier shall, and shall be responsible for ensuring that Supplier's Representatives and Subcontractors shall, perform all obligations of Supplier under this Agreement in compliance with all laws, rules, regulations and other legal requirements. Proprietary to Bank of America Page 15 vTIP2010 Source: CARDLYTICS, INC., S-1, 1/12/2018 19.2 Supplier represents and warrants that it shall perform the Maintenance Services in a timely and professional manner using competent personnel having expertise suitable to their assignments. Supplier represents and warrants that the services shall conform to or exceed, in all material respects, the specifications described herein, as well as the standards generally observed in the industry for similar services. Supplier represents and warrants that neither performance nor functionality of the services, Products or systems is or will be affected by dates prior to, during and after the year 2000. Supplier represents and warrants that services supplied hereunder shall be reasonably free of defects in workmanship, design and material. Supplier represents and warrants that sale, licensing or use of any Product, Work Product and service furnished under this Agreement, including but not limited to Software, system design, equipment or Documentation, do not and shall not infringe, misappropriate or otherwise violate any Intellectual Property Rights or any other rights of any third party. 19.3 As of the Effective Date, there are no actions, suits or proceedings pending, or to the knowledge of Supplier threatened, against Supplier, Supplier's Representatives and Subcontractors alleging infringement, misappropriation or other violation of any Intellectual Property Rights related to any product, Work Product or Service contemplated by this Agreement. 19.4 Supplier warrants that it shall develop any Customizations in a professional workmanlike manner, using qualified personnel familiar with the Software and its operation. 19.5 Supplier hereby represents and warrants that the Software shall be and shall remain Operative, from the Delivery Date through the end of the Warranty Period. Following expiration of the Warranty Period and for so long as Bank of America has contracted Supplier to provide Maintenance Services, Supplier represents and warrants that the Software shall remain Operative. If the Software is not Operative at the expiration of the initial Warranty Period, the Warranty Period shall be extended until Supplier makes the Software Operative. This warranty shall not be affected by Bank of America's modification of the Software so long as Supplier can discharge its warranty obligations notwithstanding such modifications or following their removal by Bank of America. 19.6 Supplier warrants that during the term of this Agreement, Bank of America may use Product without disturbance, subject only to Bank of America's obligations to make the payments required by this Agreement. Supplier represents that this Agreement, the Products and the Intellectual Property Rights in the Products are not subject or subordinate to any right of Supplier's creditors, or if such subordination exists, the agreement or instrument creating it provides for non-disturbance of Bank of America. 19.7 Supplier represents and warrants that it is familiar with all applicable domestic and foreign antibribery or anticorruption laws, including those prohibiting Supplier, and, if applicable, its officers, employees, agents and others working on its
"""

Extract the exact clause related to "Joint Ip Ownership" from the excerpt above.

assistant: Not found.