| In force components  | 
Number
  | 
Title | 
Status | 
A.1 (09/19)     | 
Working methods for study groups of the ITU Telecommunication Standardization Sector
		 
 | 
In force 
  | 
     | 
| Superseded and Withdrawn components  | 
Number
  | 
Title | 
Status | 
A.1 (10/96)     | 
Work Methods for Study Groups of the ITU Telecommunication Standardization Sector (ITU-T)
		 
 | 
Superseded 
  | 
A.1 (10/00)     | 
Work Methods for Study Groups of the ITU Telecommunication Standardization Sector (ITU-T)
		 
 | 
Superseded 
  | 
A.1 (10/04)     | 
Work methods for study groups of the ITU Telecommunication Standardization Sector (ITU-T)
		 
 | 
Superseded 
  | 
A.1 (07/06)     | 
Work methods for study groups of the ITU Telecommunication Standardization Sector (ITU-T)
		 
 | 
Superseded 
  | 
A.1 (10/08)     | 
Work methods for study groups of the ITU Telecommunication Standardization Sector (ITU-T)
		 
 | 
Superseded 
  | 
A.1 (11/12)     | 
Working methods for study groups of the ITU Telecommunication Standardization Sector
		 
 | 
Superseded 
  | 
A.1 (10/16)     | 
Working methods for study groups of the ITU Telecommunication Standardization Sector
		 
 | 
Superseded 
  | 
A.1 (11/88)     | 
Presentation of Contributions relative to the study of Questions assigned to the CCITT
		 
 | 
Superseded 
  |