# $Id: ST.d12 41 2009-03-16 22:53:28Z ikk $
# To indicate the start of a transaction set and to assign a control number

segment ST {
  TransactionSetIdentifierCode            S R 3-3   Tbl143 /* Code uniquely identifying a Transaction Set */
  TransactionSetControlNumber             S R 4-9          /* Identifying control number that must be unique within the transaction set functional group assigned by the originator for a transaction set */
} # ST