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​​Online pre-registration is required for all participants to the EC-78.
Please note that the online registration is now open and will close on 5 June 2024.  

EC members are kindly requeste​d to: 

(1) Inform the Secretariat of their participation a​nd provide the names of their alternates and/or advisers through a signed letter, 

(2) Pre-register themselves and each alternate and/or adviser individually through the Online Registration System (ERS) that is now open and will close on 5 June 2024. The link to the online registration system, the username and password​ that were sent by email to the Permanent Representatives with WMO, remain valid for all upcoming WMO meetings. 


The hydrological advisers to the presidents of the regional associations, as well as the presidents of technical commissions, are requested to inform the Secretariat of their participation in the session. Hydrological advisers to the presidents of the regional associations are kindly requested to copy the president of their Region.

The Chair of the Research Board, the Chair of the Scientific Advisory Panel, the Chair of the Hydrological Coordination Panel, and the Co-Chairs of the Joint WMO-IOC Collaborative Board are kindly requested to inform the Secretariat of their participation in the session.  

Members and non-Members of the World Meteorological Organization (WMO) interested in following the discussions of the above-mentioned Executive Council session may register their representatives to follow the session. 

To pre-register for the meeting, non-Members and international organizations should send their letters of representation to registration@wmo.int and Members can use the ERS for pre-registration.  

The submission of information through the online registration system (ERS)  does not exempt participants from the need to inform the Secretariat of their participation through a signed letter by an appropriate government official or competent authority of the relevant organization or by Note Verbale  to be sent by email to: registration@wmo.int​.  

For all communications and further information concerning online registration, please contact the WMO Secretariat by email at: registration@wmo.int.