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:
"""
Exhibit 10.33 Last Updated: April 6, 2007 CHASE AFFILIATE AGREEMENT THIS AGREEMENT sets forth the terms and conditions agreed to between Chase Bank USA, N.A. (?Chase?) and you as an "Affiliate" in the Chase Affiliate Program (the "Affiliate Program"). Once accepted into the Affiliate Program, an Affiliate can establish links from the Affiliate's Website to [Chase.com]. Chase will pay Affiliate a fee for each approved credit card account that originates from a link in Affiliate's Website. THIS IS A LEGAL AND CONTRACTUALLY BINDING AGREEMENT BETWEEN AFFILIATE AND CHASE. TO APPLY TO THE AFFILIATE PROGRAM, YOU MUST COMPLETE AND SUBMIT THE AFFILIATE REGISTRATION FORM AND CLICK ON THE "AGREE" BUTTON BELOW TO INDICATE YOUR WILLINGNESS TO BE BOUND TO CHASE BY THIS AGREEMENT. THIS AGREEMENT WILL TAKE EFFECT IF AND WHEN CHASE REVIEWS AND ACCEPTS YOUR REGISTRATION FORM AND PROVIDES YOU NOTICE OF ACCEPTANCE. BY SUBMITTING YOUR REGISTRATION FORM, AFFILIATE CERTIFIES THAT YOU HAVE READ AND UNDERSTAND THE TERMS SET FORTH BELOW, AND THAT YOU ARE AUTHORIZED TO SUBMIT THIS REGISTRATION FORM BY THE NAMED AFFILIATE. In connection with your participation in the Affiliate Program, Affiliate and Chase agree as follows: 1. Enrollment in the Affiliate Program; Restricted Content To enroll in the Affiliate Program, you must submit a complete "Affiliate Registration Form" via the Chase Affiliate Website: For new affiliates: https://ssl.linksynergy.com/php-bin/reg/sregister.shtml?mid=2291 For existing affiliates: http://www.linkshare.com/joinprograms?oid=87909 Chase will evaluate your registration form and will notify you via e-mail of the acceptance or rejection of your registration form. Chase reserves, in its sole discretion, with or without reason, the right to accept or reject your registration into the Chase Affiliate Program, including but not limited to a determination that your site is unsuitable for or incompatible with the Affiliate Program based on the following criteria (collectively "Restricted Content"): • Incorporates images or content that is any way unlawful, offensive, profane, harmful, threatening, defamatory, obscene, harassing or racially, ethically or otherwise objectionable • Promote illegal activities, including gambling • Promotes or depicts sexually explicit, obscene or pornographic images • Promotes or depicts violence or hate speech • Promotes discrimination based on race, sex, religion, nationality, disability, sexual orientation or age Source: CREDITCARDS.COM, INC., S-1, 8/10/2007 • Incorporates any materials which infringe or assist others to infringe on any copyright, trademark or other intellectual property rights • Contains or promotes politically sensitive or controversial issues Chase also reserves the right to terminate this Agreement in the event that any Restricted Content is incorporated on Affiliate's site after acceptance of your registration form and the commencement of the term of this Agreement. Chase may also terminate this Agreement if your site is deemed unsuitable based on the criteria below: • Manipulates key word searches on portals • Misrepresents itself as a Chase Website by altering the visual "look and feel" of or text from Chase's site, and/or engage in "framing" the Chase Website • Engages in domain squatting • Engages in spamming or unsolicited commercial e-mail • Engages in unauthorized telemarketing or remarketing of Chase Credit Card offers via telephone • Uses Chase products and services in the domain name, URL or URI, including, but not limited to, any combination of the following words: • JP • MORGAN • CHASE • MANHATTAN • AARP • AMAZON.COM • BALL STATE UNIVERSITY • BORDERS • BRITISH AIRWAYS • CASH PLUS • CHASE FREEDOM • CENTRAL MICHIGAN UNIVERSITY • CONTINENTAL • CORNELL UNIVERSITY • DISNEY • DUKE UNIVERSITY • FLEXIBLE REWARDS • FREE CASH • HARVARD COOP • HESS • HOME IMPROVEMENT • LEHIGH UNIVERSITY • LOUISIANA STATE UNIVERSITY • MARATHON • MARRIOTT • MIAMI UNIVERSITY • OHIO UNIVERSITY • OVERSTOCK • PERFECT CARD • PRIORITY CLUB / HOLIDAY INN • SONY • SOUTHERN ILLINOIS UNIVERSITY • SPEEDWAY SUPER AMERICA Source: CREDITCARDS.COM, INC., S-1, 8/10/2007 • STARBUCKS • SUBARU • TEMPLE UNIVERSITY • TOYS "R" US • TRAVEL PLUS • TRUMP • ULTIMATE REWARDS • UNITED • UNIVERSAL • UNIVERSITY OF ARIZONA ATHLETICS • UNIVERSITY OF CHICAGO • UNIVERSITY OF FLORIDA • UNIVERSITY OF HOUSTON • UNIVERSITY OF IDAHO • UNIVERSITY OF KENTUCKY • UNIVERSITY OF MARYLAND • UNIVERSITY OF MEMPHIS • UNIVERSITY OF MINNESOTA ATHLETICS • UNIVERSITY OF NOTRE DAME • UNIVERSITY OF OKLAHOMA • UNIVERSITY OF OREGON • UNIVERSITY OF SOUTH CAROLINA • UNIVERSITY OF TENNESSEE • UNIVERSITY OF VIRGINIA • UTAH STATE UNIVERSITY • VALUE MILES • VIRGINIA TECH APPROVED ACCOUNT • VOLKSWAGEN • WESTERN ILLINOIS UNIVERSITY • YALE UNIVERSTIY • Uses a proxy server or redirector server to proxy Chase web pages or web
"""

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

assistant: Not found.