ASN messages are sent with following segment `SN1**2*CA**24*EA` SN100 = segment identifier (SN1) SN101 = assigned identification SN102 = quantity shipped SN103 = UOM for quantity shipped SN104 = quantity shipped to date SN105 = quantity ordered SN106 = UOM for quantity ordered The SN100, SN102 and SN103 are already supported