On 31st July 2021, the European Commission confirmed the entry into application of the Clinical Trial Regulation (EU) No 536/2014 by the publication of a notice in the Official Journal of the European Union. As set out in the Regulation, this publication starts the six-month countdown to CTIS go-live and confirms the go-live date for CTIS as 31st of January 2022.
The official press release can be found on EMAs website.
Please see the European Commission's publication of a notice in the Official Journal of the European Union.