W1 Block Identification
Block Identification (W1) defines 1 element. Sign up free or login to view the full segment and download it in Markdown or console (text) formats.
Elements
Sign up free to see the full W1 reference
See every element, syntax rule, and semantic note for Block Identification. Download it in console (text) or Markdown format, or use the tedi CLI to access the full X12 reference from your terminal.