Division 2 Each data transmission shall be structured as follows:F1

a double slash (‘//’) and the characters ‘SR’ indicate the start of a message;

a double slash (‘//’) and field code indicate the start of a data element;

a single slash (‘/’) separates the field code and the data;

pairs of data are separated by space;

the characters ‘ER’ and a double slash (‘//’) indicate the end of a record.