To specify the geographic area in which a promotion or price is in effect
Code qualifying the identifier represented in "Market Area Code Identifier (767)"
If G4301 is "001", "002", or "004", then G4302 is required. If G4301 is "003", then G4303 is required.
A unique identification of a market area
A free-form description to clarify the related data elements and their content
Code indicating class of trade
