EDI Header & Trailer(ISO 9735)
UNB+UNOA:1+999999999:01+FDAEDI.CDER:zz+010709:1400+99999XX’
UNB+UNOA = Interchange Header, Object Header and Service Character
999999999:01 = Sender (Dun & Bradstreet number)
FDAEDI.CDER:zz = Recipient
99999XX = Unique Reference