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:
"""
status of the Medica Quality System shall be reported to Vapotherm Quality Assurance and Vapotherm Executive Management by sending notice in accordance with Section 14.8 within 72 hours. Status changes may include, but not be limited to the following: (a) ISO Certifications or CE Marking status charges; (b) Process or material failures, including significant vendor related failures or relevant vendor terminations due to quality related issues; and (c) Specification changes for supplemental manufacturing processes, equipment, or materials. 6.3 Vendor Quality. The quality ratings of vendors that supply Medica with materials used in the manufacture/assembly and/or testing of the Cartridges shall be reported to Vapotherm Quality Assurance in a manner consistent with the Medica Quality System. Any collective actions, regulatory holds, suspensions, or terminations of vendors related to the Cartridges shall be reported to Vapotherm Quality Assurance in a timely manner. 6.4 Vigilance System. Vapotherm has an established Authorized Representative to communicate complaints and vigilance reports that results from the use of the Cartridges. (a) Complaint investigations shall be a shared process between Medica (QA, manufacturing, and engineering) and Vapotherm (QA, Manufacturing, and R&D). (b) All investigation reports shall be issued jointly and in a timely manner to satisfy the requirements for vigilance reporting (when necessary). -6- [* * *] = Certain confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 406 of the Securities Act of 1933, as amended. (c) When a complaint is determined to be a vigilance reportable event then Vapotherm shall be responsible for administering and reporting to both Medica and the necessary competent authorities any Cartridge related vigilance incidents within [* * *] days or as outlined in the Vapotherm Quality System. (d) Vapotherm shall copy in writing via email or facsimile to Medica Quality Assurance within 24-48 hours on all and any vigilance reporting, including health outcome, relationship between the incidents, and timeliness of reporting the vigilance incident to the Competent Authorities. ARTICLE 7 OTHER OBLIGATIONS OF MEDICA 7.1 Debarment Certification. Medica hereby agrees to review the United States Department of Health and Human Services Office of the Inspector General and General Services Administration exclusion lists upon initially hiring and annually thereafter to ensure that any employee or manager responsible for providing services under is not excluded from any United States Federal or State health care program. Medica hereby represents and warrants that neither it, nor any of its officers, directors, or managers, or employees are currently excluded from, or have ever been excluded from, any United States Federal or State health care program or, if previously excluded, have been fully reinstated, in which case Medica shall provide Vapotherm written proof of such reinstatement and such other information as Vapotherm may require describing the reasons for the prior exclusion. Medica shall immediately notify Vapotherm, in writing, in the event that it knows, or has reason to know, that any United States Federal or State health care program has initiated proceedings to sanction, bar, suspend or exclude Medica, or any of its officers, directors, managers or employees. If Medica fails to comply with any of the foregoing provisions, Vapotherm may terminate the Agreement immediately upon written notice to Medica. 7.2 Permits and Certifications. Medica currently has all Permits and Certifications necessary to enable it to perform all its obligations under this Agreement. At all times during the Term Medica shall maintain those Permits and secure any additional Permits that become necessary. 7.3 Manufacturing Problems. Medica shall promptly notify Vapotherm if it experiences any significant problems in manufacturing Cartridges, shall use [* * *] efforts to resolve those problems, and shall keep Vapotherm informed of the status of those efforts. 7.4 Insurance. Medica shall at its cost obtain and maintain one or more insurance policies providing coverage of at least Euro [* * *] in the aggregate that cover Medica for fire, theft, fidelity, product liability, and any and all potential claims, suits, losses, expenses, or damages arising out of Medica's obligations under this Agreement. At Vapotherm's request to Medica from time to time, Medica shall furnish Vapotherm with certification of insurance evidencing that insurance and shall provide at least [* * *] Business Days prior written notice to Vapotherm of any cancellation of or decrease in the dollar amount of coverage provided by any such policy. Vapotherm shall have the right to maintain such insurance coverage on Vapotherm's behalf and at Vapotherm' s expense in the event of nonpayment of premiums
"""

Extract the exact clause related to "Change Of Control" from the excerpt above.