# $Id: ISA.d12 41 2009-03-16 22:53:28Z ikk $

/* To start and identify an interchange of zero or more functional
groups and interchange-related control segments */

segment ISA {
  AuthorizationInformationQualifier       S R 2-2   TblI01 /* Code to identify the type of information in the Authorization Information */
  AuthorizationInformation                S R 10-10        /* Information used for additional identification or authorization of the interchange sender or the data in the interchange; the type of information is set by the Authorization Information Qualifier (I01) */
  SecurityInformationQualifier            S R 2-2   TblI03 /* Code to identify the type of information in the Security Information */
  SecurityInformation                     S R 10-10        /* This is used for identifying the security information about the interchange sender or the data in the interchange; the type of information is set by the Security Information Qualifier (I03) */
  InterchangeIdQualifier1                 S R 2-2   TblI05 /* Qualifier to designate the system/method of code structure used to designate the sender or receiver ID element being qualified */
  InterchangeSenderId                     S R 15-15        /* Identification code published by the sender for other parties to use as the receiver ID to route data to them; the sender always codes this value in the sender ID element */
  InterchangeIdQualifier2                 S R 2-2         
  InterchangeReceiverId                   S R 15-15        /* Identification code published by the receiver of the data; When sending, it is used by the sender as their sending ID, thus other parties sending to them will use this as a receiving ID to route data to them */
  InterchangeDate                         S R 6-6          /* Date of the interchange */
  InterchangeTime                         S R 4-4          /* Time of the interchange */
  InterchangeControlStandardsIdentifier   S R 1-1   TblI10 /* Code to identify the agency responsible for the control standard used by the message that is enclosed by the interchange header and trailer */
  InterchangeControlVersionNumber         S R 5-5   TblI11 /* This version number covers the interchange control segments */
  InterchangeControlNumber                I R 9-9          /* A control number assigned by the interchange sender */
  AcknowledgmentRuested                   S R 1-1   TblI13 /* Code sent by the sender to request an interchange acknowledgment (TA1) */
  UsageIndicator                          S R 1-1   TblI14 /* Code to indicate whether data enclosed by this interchange envelope is test, production or information */
  ComponentElementSeparator               S R 1-1          /* Type is not applicable; the component element separator is a delimiter and not a data element; this field provides the delimiter used to separate component data elements within a composite data structure; this value must be different than the data element separator and the segment terminator */
} # ISA