Reference X12 Release 8020 Elements 129 Referenced Pattern Identifier 
129  Referenced Pattern IdentifierIdentification of a repetitive pattern that is to be used as a basis for creating a shipment record or a new pattern; or identification of a pattern requiring change or deletion Type String (AN) Length Min 1 / Max 13 Stedi is a registered trademark of Stedi, Inc. Stedi's EDI Reference
      is provided for marketing purposes and is free of
      charge. All names, logos, and brands of third parties listed on our site
      are trademarks of their respective owners (including “X12”, which is a
      trademark of X12 Incorporated). Stedi, Inc. and its products and services
      are not endorsed by, sponsored by, or affiliated with these third parties.
      Our use of these names, logos, and brands is for identification purposes
      only, and does not imply any such endorsement, sponsorship, or
      affiliation.
Stedi is a registered trademark of Stedi, Inc. Stedi's EDI Reference
      is provided for marketing purposes and is free of
      charge. All names, logos, and brands of third parties listed on our site
      are trademarks of their respective owners (including “X12”, which is a
      trademark of X12 Incorporated). Stedi, Inc. and its products and services
      are not endorsed by, sponsored by, or affiliated with these third parties.
      Our use of these names, logos, and brands is for identification purposes
      only, and does not imply any such endorsement, sponsorship, or
      affiliation.