| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPBasic Functions |
| 1 | ETXDCH | External tax document: header info | 38 | TAX_PROCEDURE | Procedure (Pricing, Output Control, Acct. Det., Costing,...) | nvarchar | 6 | 0 | | |
| TOPTransaction Tax Engine |
| 2 | TTE2C_PROCED | Valid Tax Calculation Procedures for Country | 3 | TAX_PROCEDURE | Tax Calculation Procedure | nvarchar | 6 | 0 | | |
| 3 | TTE2C_PROCED_DET | Tax Calculation Procedure Determination | 6 | TAX_PROCEDURE | Tax Calculation Procedure | nvarchar | 6 | 0 | | |
| 4 | TTEC_GROSSPROC | Assign Gross Tax Calculation Procedure | 2 | TAX_PROCEDURE | Tax Calculation Procedure | nvarchar | 6 | 0 | | |
| 5 | TTEC_PRC_TAX_MAP | [3.x only] Mapping between Tax Type and Procedure | 5 | TAX_PROCEDURE | Tax Calculation Procedure | nvarchar | 6 | 0 | | |
| 6 | TTEC_PROCEDURE | Tax Procedure | 5 | TAX_PROCEDURE | Tax Calculation Procedure | nvarchar | 6 | 0 | | |
