| In force components | 
| Number 
 | Title | Status | 
| A.2 (11/12) 
 | Presentation of contributions to the ITU Telecommunication Standardization Sector | In force 
 | 
| 
 | 
| Superseded and Withdrawn components | 
| Number 
 | Title | Status | 
| A.1 (03/93) 
 | Presentation of contributions relative to the study of Questions assigned to the ITU-T | Superseded 
 | 
| A.2 (10/96) 
 | Presentation of contributions relative to the study of Questions assigned to the ITU-T | Superseded 
 | 
| A.2  (10/00) 
 | Presentation of contributions relative to the study of Questions assigned to the ITU-T | Superseded 
 | 
| A.2 (10/04) 
 | Presentation of contributions relative to the study of Questions assigned to ITU-T | Superseded 
 | 
| A.2 (2004) Amendment 1 (07/06) 
 | Single type of input contribution 
 | Superseded 
 | 
| A.2 (10/08) 
 | Presentation of contributions to ITU-T | Superseded 
 |