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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and development of nonlocal advertising, promotional campaigns, and public relations to promote and enhance the value of the Service Marks and the business of all the Pretzel Time retail establishments; (2) Payments to Pretzel Time of such reasonable sums as may be necessary for actual costs of advertising production, direct mail purchases, and other media marketing tools; (3) Payment of salaries and benefits for staff personnel in the marketing and public relations department as well as other administrative costs and overhead expenses of the department incurred by Pretzel Time; (4) The costs of employing advertising, marketing, public relations and promotion agencies to assist in preparing and conducting media programs and activities and supporting public relations, market research and other advertising, promotion and marketing activities; (5) Market research expenditures related to the development and evaluation of the effectiveness of advertising and sales promotion; and (6) Costs of organizing and providing facilities for international, national, or regional franchisee conferences. Franchisee understands and acknowledges that the Advertising Fund is intended to maximize recognition of the Marks and patronage of Pretzel Time Units. Although Pretzel Time will endeavor to utilize the Advertising Fund to develop advertising and marketing materials and programs and to place advertising that will benefit all Pretzel Time Units, Pretzel Time undertakes no obligation to ensure that expenditures by the Advertising Fund in or affecting any geographic area are proportionate or equivalent to the contributions to the Advertising Fund by Pretzel Time Units operating in that geographic area or that any Pretzel Time Units will benefit directly or in proportion to its contribution to the Advertising Fund from the development of advertising and marketing materials or the placement of Advertising. 11.C. SEGREGATION OF ADVERTISING FUND. Pretzel Time herein agrees to administratively segregate the Advertising Fund on its books and records. Fees paid by Franchisee into the advertising fund shall not under any circumstance be used for the general operating expenses of Pretzel Time but shall and will be used exclusively for advertising as outlined herein. Pretzel Time may spend in any fiscal year an amount greater or less than the aggregate contributions of the franchisees to the fund in that year and Pretzel Time may make loans to the fund bearing reasonable interest to cover any deficits of the fund and cause the fund to invest any surplus for future use by the fund. It is anticipated, and it is the intent of Pretzel Time that all contributions to the Fund shall be expended for advertising and promotional purposes during Pretzel Time's fiscal year within which contributions are made. Any monies not expended in the fiscal year in which they were contributed shall be applied and used for Fund expenses in the following year. 11.D. SUSPENSION OF ADVERTISING FUND FEES. Pretzel Time reserves the right to suspend contributions/fees and operations of the Advertising Fund for one or more periods, and the right to terminate the Advertising Fund, upon thirty (30) days' prior written notice to Franchisee. All unspent monies on the date of termination shall be distributed to Pretzel Time's franchisees and Pretzel Time, its Affiliates and designees in proportion to their respective contributions to the Advertising Fund upon the same terms and conditions set forth herein upon thirty (30) days' prior written notice Franchisee. 11.E. FRANCHISEE'S REQUIRED ADVERTISING EXPENDITURES. In addition to any contributions by Franchisee to the Advertising Fund, Franchisee is required to spend on marketing and related programs such amount as is required pursuant to the terms and conditions of Franchisee's lease or sublease. Franchisee acknowledges such amounts will vary from lease to lease, and therefore, all Pretzel Time Unit franchisees will not be obligated to expend the same amount on local advertising and marketing of the Unit. 11.F. USE OF TRADEMARK REFERENCES AND APPROVAL OF FRANCHISEE'S MARKETING. Franchisee further agrees that all advertising, promotion and marketing by Franchisee shall be completely clear and factual and not misleading and shall conform to the highest standards of ethical marketing and promotion policies which may be prescribed from time to time by Pretzel Time. Franchisee agrees to use the registration symbol of "R" within a circle (7 ) in connection with its use of the Marks. Franchisee agrees to refrain from any business or marketing practice which may be injurious to the business of Pretzel Time and the good will associated with the Marks and other Pretzel Time Units. Prior to their use by Franchisee, all press releases, literature, and samples of all local advertising, marketing, point-of-purchase, and related materials
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Extract the exact clause related to "Termination For Convenience" from the excerpt above.

assistant: Pretzel Time reserves the right to suspend contributions/fees and operations of the Advertising Fund for one or more periods, and the right to terminate the Advertising Fund, upon thirty (30) days' prior written notice to Franchisee.