A.1

Working methods for study groups of the ITU Telecommunication Standardization Sector  

A.2

Presentation of contributions to the ITU Telecommunication Standardization Sector  

A.3

[Withdrawn] Elaboration and presentation of texts and development of terminology and other means of expression for Recommendations of the ITU Telecommunication Standardization Sector  
Deleted; an "ITU-T Recommendation author's guide" is available on ITU-T website

A.4

[Withdrawn] Communication process between the ITU Telecommunication Standardization Sector and forums and consortia  

A.5

Generic procedures for including references to documents of other organizations in ITU-T Recommendations  

A.6

[Withdrawn] Cooperation and exchange of information between the ITU Telecommunication Standardization Sector and national and regional standards development organizations  

A.7

Focus groups: Establishment and working procedures  

A.8

Alternative approval process for new and revised ITU-T Recommendations  

A.9

[Withdrawn] Working procedures for the Special Study Group on IMT-2000 and Beyond  

A.10

[Withdrawn] Terms and definitions  

A.11

Publication of ITU-T Recommendations and World Telecommunication Standardization Assembly proceedings  

A.12

Identification and layout of ITU-T Recommendations  

A.13

Non-normative ITU-T publications, including Supplements to ITU-T Recommendations  

A.14

[Withdrawn] Production maintenance and publication of ITU-T terminology  

A.18

Joint coordination activities: Establishment and working procedures  

A.20

[Withdrawn] Collaboration with other international organizations over data transmission  

A.21

[Withdrawn] Collaboration with other international organizations on ITU-T defined telematic services  

A.22

[Withdrawn] Collaboration with other international organizations on information technology  

A.23

Collaboration with the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) on information technology  

A.24

Collaboration and exchange of information with other organizations  

A.25

Generic procedures for incorporating text between ITU-T and other organizations  

A.30

[Withdrawn] Major degradation or disruption of service  
This Recommendation was deleted on 2000-10-06 and its content transfered to ITU-T C.2. The latter was then renumbered F.19

A.31

Guidelines and coordination requirements for the organization of ITU-T seminars and workshops  

A.Sup1

[Withdrawn] Guidelines on quality aspects of protocol related Recommendations  
Withdrawn on 2004-04-01 after publication of ITU-T Rec. Z.450 (2003)

A.Sup2

Guidelines on interoperability experiments and proof-of-concept events  

A.Sup3

IETF and ITU-T collaboration guidelines  

A.Sup4

Guidelines for remote participation  

A.Sup5

[Withdrawn] Guidelines for collaboration and exchange of information with other organizations  
Withdrawn on 2024-08-02 after approval of Recommendation ITU-T A.24 (08/2024).

A.Sup6

Guidelines for the development of a standardization gap analysis  

A.Sup7

Guidelines for the preparation of WTSA Resolutions