This specification defines the requirements for the symbology known as Aztec Mesas. It specifies the Aztec Mesa symbology characteristics including data character encodation, rules for error control encoding, the graphical symbol structure, symbol dimensions and print quality requirements, a reference decode algorithm, and user-selectable application parameters. Publication date: 2004 This product is a single user license only. Copying and/or networking is prohibited. By purchasing this product, you agree to abide by the AIM End User License Agreement.