To indicate the start of a transaction set and to assign a control number

To indicate the beginning of a transaction set.

To specify pertinent dates and times

To identify a party by type of organization, name and code

To specify additional names or those longer than 35 characters in length

To specify the location of the named party

To specify the geographic place of the named party

To identify a person or office to whom administrative communications should be directed

To specify the currency (dollars, pounds, francs, etc.) used in a transaction

To transmit a hash total for a specific element in the transaction set

To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments).