Definition: Also referred to as “ANSI X12” and “ASC X12,” X12 is a protocol from the American National Standards Institute (ANSI) for electronic data interchange (EDI). X12 was the primary North American standard for defining EDI transactions. It merged with EDIFACT in 1997.

What This Means: Applications can exchange data electronically using X12 standards to ensure identical formatting. SPEEDE/ExPRESS, the first electronic student record standard, was based upon X12 standards.


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