Buyer may at any time, by a written order issued by Buyer’s Authorized Purchasing Representative, make changes within the general scope hereof in any one or more of the following: (i) drawings, designs or specifications; (ii) quantities; (iii) method of shipment or packing; (iv) place and/or time of Delivery, and/or (v) scope of the Deliverables and/or Services. Seller shall proceed with the implementation of the changes upon receipt of Buyer’s notice thereof.