G29 Store Display Information
To specify product display information for a retail store
Code indicating the type of displays
Numeric value of quantity
P0203: If either G29-02 or G29-03 is present, then the other is required
G2902 is the number of displays or quantity of product displayed for the type specified in G2901.
Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken