A 2-position code in a record which identifies the type of application data in the transaction file and the task to be performed; for example, EI = Entry Summary Input.
a prefix code used to identify the meaning and the format of the data that follows it (data field)
A UCC/EAN prefix that defines the meaning and purpose of the data element that follows, as defined in ANSI/UCC4, UCC/EAN-128 Application Identifier Standard. For more information go to the Uniform Code Council web site.
A two-, three-, or four-digit prefix used within UCC/EAN-128 Symbols to define the meaning of information that follows.
The field of two or more characters at the beginning of an Element String that uniquely defines its format and meaning
A unique identifier used to identify an application in the RPCs sent in a distributed environment.
A numeric prefix to a UCC/EAN-128 code that defines the encoded data to follow. Generally used as secondary codes to provide information not included in standard U.P.C. numbering, such as product dates, weights and lot/batch numbers. May also identify a UCC serial shipping container.