foregoing, Franchisee shall identify himself as the independent owner of the Unit in the manner prescribed by Pretzel Time. Franchisee agrees to give such notices of trademark and service mark registrations as Pretzel Time may specify and to obtain such business name registrations as may be required under applicable law. Franchisee shall not at any time during the term of this Agreement or after its termination, contest the validity or ownership of any of the Marks or assist any other person in contesting the validity or ownership of the Marks. 6.B. DISCONTINUANCE OF USE OF MARKS. If it becomes advisable at any time, in Pretzel Time's sole discretion, for Pretzel Time or the Unit to modify or discontinue use of any Mark, and/or use of one or more additional or substitute trade names, trademarks, service marks, or other commercial symbols, Franchisee shall comply with Pretzel Time's directions within a reasonable time after notice to Franchisee by Pretzel Time. Neither Pretzel Time nor its Affiliates shall have any obligation to reimburse Franchisee for any expenditures made by Franchisee to modify or discontinue the use of a Mark or to adopt additional marks or substitutes for a discontinued Mark, including, without limitation, any expenditures relating to advertising or promotional materials or to compensate Franchisee for any goodwill related to the discontinued Mark. 6.C. CORPORATE NAME. Franchisee agrees not to use any Mark or trade name of Pretzel Time or any part thereof or with any prefix, suffix or other modifying words, terms, designs, or symbols or in any modified form as part of any corporate or trade name nor shall Franchisee use any Mark in connection with the sale of any unauthorized product or service or in any other manner not expressly authorized in writing by Pretzel Time. 6.D. TERMINATION. Immediately upon