| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| TOPBelgium |
| 1 | T5BS3 | Employee information except reductions ( level 3 ) | 3 | STREF | Reference pointing to the detailed declaration info | nvarchar | 3 | 0 | | |
| 2 | T5BS4 | Employee remuneration and absence information ( level 4) | 3 | STREF | Reference pointing to the detailed declaration info | nvarchar | 3 | 0 | | |
| 3 | T5BSD | SI Declaration: directory table | 17 | STREF | Reference pointing to the detailed declaration info | nvarchar | 3 | 0 | | |
| 4 | T5BSR | Reductions for an employee reported on level 3 | 3 | STREF | Reference pointing to the detailed declaration info | nvarchar | 3 | 0 | | |
