Ad. Hoc Groups / Phase I & II / Reports
| TRANS/WP.30/1999/7 Report of 4. session (21 - 24 June 1999) | English | French | Russian | |
| TRANS/WP.30/1998/17 Report of the Ad Hoc Group of Experts on its 3. session (19 and 20 October 1998) | English | French | Russian | |
| TRANS/WP.30/1998/11 Report of 2. session (21 - 24 June 1998) | English | French | Russian | |
| TRANS/WP.30/1998/05/Corr.1 Corrigendum 1 to the report of the TIR Ad Hoc ExpertGroup (2 and 3 April 1998) | English | French | Russian | |
| TRANS/WP.30/1998/5 Report of 1. session (2 and 3 April 1998) | English | French | Russian |