| Attribute | Description | Physical Name | Domain | Data Type | Foreign Key Table |
| TaxRegionID (FK)(PK) | A unique identifier for a Tax Region. | ID_RGN_TX | Identity | integer | TaxRegion(CO_RGN_TX) |
| EffectiveDateTime (PK) | The date and time a physical location is associated with a tax region. | TS_EF | EffectiveDateTime | datetime | |
| GeographicLocationID (FK)(PK) | Token ID for a GeographicLocation | ID_GEO_LCN | Identity | integer | GeophysicalLocation(CO_GEO_LCN) |
| ExpirationDateTime | The date and time a physical location is no longer associated with a tax region. | TS_TP | ExpirationDateTime | datetime | |