Reference X12 Release 8020 Elements I21 Interconnect Mailbag Password 
I21  Interconnect Mailbag PasswordInformation used for additional access security identification of the sender of the interconnect mailbag; The content of the password is assigned by the receiving interconnect entity Type String (AN) Length Min 1 / Max 10 Stedi is a registered trademark of Stedi, Inc. Stedi's EDI Reference
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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.