communication standards are implemented using transaction sets. A transaction set provides a common standard to facilitate information interchange between partners in a specific industry and country. Table 5.5 lists the common logistics-related industry transaction standards. For each industry, the transaction set defines the documents that can be transmitted. Documents typically cover common logistics activities such as ordering, warehouse operations, and transportation. Table 5.6 lists the transaction set usage matrix. The transaction set consists of a transaction code (or ID) and is followed by the data. The transaction code, for example, indicates whether the electronic communication is a warehouse shipping order (code 940) or a warehouse stock transfer receipt(code 944). In addition to the transaction code, a transaction contains warehouse number, item number, and quantity