approved the materials. Franchisee agrees not to use promotional or advertising materials which have been disapproved by Pretzel Time or that have not been approved for use within the preceding twelve months. In addition, any pamphlets, brochures, cards or other promotional materials offering free Products may only be used if prepared by Pretzel Time, unless otherwise approved in advance by Pretzel Time. Notwithstanding the foregoing, Pretzel Time will give favorable consideration to Franchisee's use of free product cards developed by Franchisee, if the cards clearly state that they may only be redeemed at Pretzel Time Units owned by Franchisee. Franchisee agrees to list and advertise the Franchise in the regular white pages telephone directories distributed within Franchisee's metropolitan area. Franchisee agrees to distribute and display at Franchisee's location, literature, display and promotional materials including special promotional materials as Pretzel Time may from time to time make available. Franchisee agrees that only those advertising, promotional materials, or items which are authorized by Pretzel Time in writing prior to use shall be used, sold or distributed, and no alternate display or use of the Pretzel Time Service Mark shall be made without the prior written permission of Pretzel Time. Replacement or updated literature, display, point-of-purchase and promotional materials may be obtained from Pretzel Time for a fee including shipping. 12. ADHERENCE TO UNIFORM STANDARDS. 12.A. STANDARDS AND OPERATIONS MANUAL. Franchisee acknowledges and agrees that the operation of the Pretzel Time Unit in accordance with the specifications, standards, operating procedures and rules Pretzel Time prescribes for the operation of Pretzel Time Units is the essence of this Agreement and is essential to preserve the goodwill of the Marks and all Pretzel Time Units. Franchisee agrees to operate his Unit in strict compliance and adhere to Pretzel Time's Unit design, signage, interior decor, equipment