
855 Purchase Order Acknowledgment
Insight Direct USA’s published 855 specification, rendered as an interactive guide. Expand any segment to see its elements, data types, lengths and accepted codes — then validate your own document against it below.
Specification
Validate a 855
Paste or upload a document and check it against Insight Direct USA’s published rules — segment order and repetition, required elements, field lengths, data types and accepted codes. Nothing is stored.
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