| Table | Table Description | Column# | Prefix | Alias | Column Description | Data Type | Edit Type | Length | Decimals |
|---|
| TOP48S: Service Billing |
| 1 | F4812 | Billing Detail Workfile | 178 | WD | TKT1 | Key Type - Tax Derivation Table | Character | UDC | 1 | 0 |
| 2 | F4812H | Billing Workfile - History | 178 | WD | TKT1 | Key Type - Tax Derivation Table | Character | UDC | 1 | 0 |
| 3 | F4812HS | Billing Workfile History Purged Save | 178 | WD | TKT1 | Key Type - Tax Derivation Table | Character | UDC | 1 | 0 |
| 4 | F48SUI01 | Billing Detail Print Workfile | 178 | WD | TKT1 | Key Type - Tax Derivation Table | Character | UDC | 1 | 0 |
User Defined Codes are, by design, customisable and thus will differ from system to system depending on the business requirements.
