Abstract: Disclosed are techniques for the creation, communication, negotiation, and storage of promotion events between trading partners. A promotion event is managed between a retailer and a vendor each having an associated computer in communication with a data network. The promotion event is defined to include terms, including an event description and a designated items description. The terms are situated in fields of a promotion event record. The designated items description is matched to a list of items stored in an item table. This list of items is authorized for sale by the retailer. A validation operation includes determining whether the fields in the promotion event record conform to requirements of a deal sheet associated with the retailer. The promotion event record is stored as a deal in a deal transaction storage medium. The retailer computer is provided with read access to the stored deal. The retailer can then negotiate the stored deal with the vendor.