01 October 1999
| Title | Language | Date |
|---|---|---|
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| No title | French | 01-10-1999 |
| Arrêté ministériel pris en exécution de l'arrêté royal du 1er octobre 1999 portant fixation du cadre organique de l'Institut géographique national | French | 01-10-1999 |
