3118c588_811_Implementation_Guide__Element_Name__
[Ref _] ISA07 [Id_] I05 [Req] M [Type] ID [Min/Max] 2/2 [Usage_] Must use [Element Name _] 
Interchange ID Qualifier Description: Qualifier to designate the system/method of code structure used to designate the sender or receiver ID element being qualified
811 Implementation Guide
Element Name _