| Attribute | Description | Physical Name | Domain | Data Type | Foreign Key Table |
| SupplierID (FK)(PK) | A unique system assigned identifier for the Supplier. | ID_SPR | Identity | integer | SupplierItemCatalogBaseCost(AS_CST_SPR_ITM_BS) |
| SupplierItemCostPerUnitTypeCode (FK)(PK) | Defines the unit type the owned attribute costs are assigned to for this item. Valid unit types include: SALE UNIT, PACK UNIT and SHIP UNIT. A single SUPPLIER ITEM may in effect have 1 to three SUPPLIER ITEM BASE COST entities associated with it. | TY_UN_CST | Code2 | char(2) | SupplierItemCatalogBaseCost(AS_CST_SPR_ITM_BS) |
| SupplierItemID (FK)(PK) | The code assigned by the supplier to uniquely identify the ITEM | ID_ITM_SPR | Identity | integer | SupplierItemCatalogBaseCost(AS_CST_SPR_ITM_BS) |
| SupplierItemUnitBreakPointCount (PK) | The break point in units at which a further discount can be attained by the retailer. | QU_PNT_UND_BRK | Quantity | DECIMAL(9,3) | |
| CostPerUnitAmount | The revised cost price for each unit when the break point has been attained. | CP_PNT_BRK_BS_CST | MoneyShortCost | decimal(16,5) | |