| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPBasic Functions |
| 1 | ETXDCI | External tax document: line item info | 33 | EXCERTIF | Customer tax exemption certificate number defined in SAP | nvarchar | 25 | 0 | | |
| 2 | TTXY | External tax interface: tax information | 97 | EXCERTIF | Customer tax exemption certificate number defined in SAP | nvarchar | 25 | 0 | | |
| TOPTransaction Tax Engine |
| 3 | TTEPD3_USITEM | Persistency TTE Document UsItem | 92 | EXCERTIF | Tax Exemption Certificate | nvarchar | 25 | 0 | | |
| 4 | TTEPDT_USITEM | Persistency TTE Document UsItem | 92 | EXCERTIF | Tax Exemption Certificate | nvarchar | 25 | 0 | | |
| 5 | TTESDT_USITEM | Output Exemptions | 92 | EXCERTIF | Tax Exemption Certificate | nvarchar | 25 | 0 | | |
