technique or product without obtaining Pretzel Time's prior written approval. 23. ENFORCEMENT. 23.A. UNAVOIDABLE DELAYS. Delays in the performance of any duties hereunder which are not the fault of, and not within the reasonable preventive control of, the party due to perform, including but not limited to, fire, flood, labor disputes, natural disasters, acts of God, civil disorders, riots, insurrections, work stoppages, slowdowns or disputes, or other similar events, shall not cause a default in said performance, but the parties shall extend the time of performance for a period of time equivalent to the length of delay, or for such other reasonable period of time as agreed by the parties. 23.B. RIGHTS OF PARTIES ARE CUMULATIVE. The rights of Pretzel Time and Franchisee hereunder are cumulative and no exercise or enforcement by Pretzel Time or Franchisee of any right or remedy hereunder shall preclude the exercise or enforcement by Pretzel Time or Franchisee of any other right or remedy herein or which Pretzel Time or Franchisee is entitled by law to enforce. 23.C. WAIVER OF OBLIGATIONS. Pretzel Time may by written instrument unilaterally waive or reduce any obligation of or restriction upon Franchisee under this Agreement, and Franchisee may by written instrument unilaterally waive or reduce any obligation of or restriction upon Pretzel Time under this Agreement, effective upon delivery of written notice thereof to the other or such other effective date stated on the notice of waiver. Whenever this Agreement requires Pretzel Time's prior approval or consent, Franchisee shall make a timely written request therefore, and such approval shall be obtained in writing. Pretzel Time makes no warranties or guaranties upon which Franchisee may rely, and assumes no liability or obligation to Franchisee, by granting any waiver, approval or consent to Franchisee, or by reason of any neglect, delay,