13 January 1998
| Title | Language | Date |
|---|---|---|
| Circulaire nr. Ci.RH.332/497.961 dd. 13.01.1998 | Dutch | 13-01-1998 |
| Circulaire nr. Ci.R.14/301.697 dd. 13.01.1998 | Dutch | 13-01-1998 |
| Circulaire n° Ci.RH.332/497.961 dd. 13.01.1998 | French | 13-01-1998 |
| Circulaire n° Ci.R.14/301.697 dd. 13.01.1998 | French | 13-01-1998 |
