| Value | Category |
|---|---|
| -5 | not filled:variable of net series is filled |
| -1 | missing |
| 0 | no income |
| 1 | collec.:net of tax on income at source and social contributions |
| 2 | collec.:net of tax on income at source |
| 3 | collec.:net of tax on social contributions |
| 4 | collec.:gross |
| 5 | collec.:unknown |
| 6 | mix(parts of the component collec. according to different ways |