Specialized Pricing Arrangements. Customized service packages and competitive pricing packages at negotiated rates may be furnished on a case-by-case basis in response to requests by Customers to the Company for proposals or for competitive bids. Service offered under this Customer Service Guide provision will be provided to Customers pursuant to contract. Unless otherwise specified, the regulations for such arrangements are in addition to the applicable regulations and prices in other sections of the Customer Service Guide. Specialized rates or charges will be made available to similarly situated Customers on a non- discriminatory basis.