Each PACK
| may be a subdivision of one and only one PACK | |
| may be subdivided into one or more PACK | |
| may be described by one or more PACK CHARACTERISTIC | |
| may be a stock control unit for one or more PROPRIETARY PRODUCT IN PACK |
| may be a subdivision of one and only one PACK | |
| may be subdivided into one or more PACK | |
| may be described by one or more PACK CHARACTERISTIC | |
| may be a stock control unit for one or more PROPRIETARY PRODUCT IN PACK |