Cessna reserves the right to add, modify, or delete options without prior notification. NOTES: 1. "Provisions Only" Statement of Understanding At Purchaser's request, Seller may agree to make provisions for a system in the Aircraft. Seller will do this in order to facilitate completion of the system at a time preferable for Purchaser subsequent to delivery. Purchaser understands and agrees that Seller's liability for any such provision is governed by the warranty expressed in the Purchase Agreem