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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which are required for Party B Business, including but not limited to programs on news, policy trends, entertainment, business and economic trends. 3 Source: PHOENIX NEW MEDIA LTD, F-1, 4/21/2011 (vii) "Program Content Collection" shall mean the collection of Program Content from Phoenix Satellite TV's Chinese Channel, other professional news media, or other information sources. (viii) "PRC Law" shall mean all laws, ordinances, rules, orders, notices, regulations and other regulatory documents having legal binding force, as promulgated from time to time prior to and after the date on which this Agreement becomes effective. (iv) "Taxes" shall mean taxes and fees of all kinds, including all taxes collected in China (including by the central PRC government and various local governments) and in any other jurisdiction, including but not limited to all kinds of ownership tax, interest tax, value added tax, stamp tax, and land and property use tax collected or levied on capital, profit, revenue, sales, or any other taxable item; all duties, fees, deductions, withholding tax, withholding income tax, or penalties or other payment in connection with taxes; and the term "Taxes" shall be interpreted accordingly. (v) "Third Party", with respect to this Agreement, shall mean any company, enterprise, other economic organization or individual, other than the Parties hereto. ARTICLE TWO BASIC PRINCIPLES OF THE LICENSE 2.1 Party B may use the Program Content licensed by Party A only in Party B Business. Without Party A's consent in writing, Party B may not in any way use the Program Content provided by Party A for any purposes other than in connection with Party B Business, nor may Party B permit any third party to use in any way the Program Content licensed by Party A to Party B prior to the publishing of the Program Content on the Phoenix Satellite TV Websites or Other Websites. 2.2 The Parties shall provide the services hereunder fairly and reasonably as if they were unaffiliated entities in an arm's-length transaction. 2.3 Without Party A's consent, Party B may not enter into with any third party any agreement or cooperation which is identical with or similar to this Agreement. 2.4 If other services are required by Party B in Party B Business, Party B shall first provide Party A with the content and requirements of such services in writing. If Party A indicates expressly in writing that it refuses or is unable to provide such services, Party B may turn to third parties for such other services; if, however, Party A agrees to provide such services, then the Parties shall 4 Source: PHOENIX NEW MEDIA LTD, F-1, 4/21/2011 negotiate in good faith the content, method and fees of such services. 2.5 In the event of any delay, non-performance or partial performance of any obligations hereunder by Party A, Party A shall give Party B prompt notice in writing and make best effort to assist Party B in obtaining identical or similar program content from other channels. 2.6 During the course of Party A's provision of the services hereunder, Party B shall provide all assistance reasonably required by Party A. ARTICLE THREE SERVICE SCOPE AND METHOD OF PROVISION 3.1 Both Parties agree that Party A shall license the Program Content required in Party B Business to Party B, and Party B shall accept the services provided by Party A, to the extent, at the time or times, and in the manner as agreed to by the Parties herein. 3.2 The Program Content to be licensed by Party A to Party B shall be as set forth in Exhibit 1 hereto, as updated from time to time. If the Program Content required by Party B is beyond that listed on Exhibit 1, as updated from time to time, Party B shall send its written request to Party A promptly and the latter shall license the Program Content described in the preceding phrase to Party B to the extent it has power to do so in accordance with this Agreement. 3.3 In each May during the term of this Agreement, both Parties shall update and adjust the scope of Program Content listed in Exhibit 1 and the Program Content so adjusted shall be the Program Content to be licensed by Party A to Party B for the period of time from May of such year to the next succeeding May. The then adjusted scope of Program Content shall constitute an exhibit hereto and process equal validity as this Agreement. ARTICLE FOUR SERVICE FEE 4.1 The amount of the
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Extract the exact clause related to "Effective Date" from the excerpt above.