This is the list of current procurement tender(s) open for proposals in the Preparatory Commission for the CTBTO. Please visit this site from time to time for information on new procurement tenders.

Date posted29 January 2016

Review of the CTBTO's Overall Insurance Coverages

Request for Quotation

Closing date25 February 2016
RFP/RFQ No.RFP No. 2015-0139/TEMBO - RE-BID
Date posted03 December 2015

Provision of Information Technology Support Services to the Database of the Technical Secretariat (DOTS) System and other IMS Systems on a Call-off Basis

Request for Proposal

Clarifications #1

Extension to Deadline

Initiates file downloadClarifications #2

Closing date08 February 2016

Additional information

If you are not yet registered with our organization, kindly fill in our Vendor Profile Form (Word Document) and return it either electronically to or via post to Chief, Procurement Section,  CTBTO, Vienna International Centre Wagramerstrasse 5, P.O. Box 1200, A-1400 Vienna, Austria.  Further information for potential vendors can be found in Annex I, Annex II, Annex III and in our General Conditions of Contract (Word Document). Please note that only requests from registered companies or organizations from CTBTO Member States (Word Document) will be considered.

In addition, if you wish to be included in the CTBTO mailing list, please contact the Procurement Section of CTBTO at You will then be informed of new tenders via Email as soon as they are issued.