I have just received an email on the update made to TRS page on deadlines for annual declaration and when to update the TRS.
Update on GOV.UK.
Manage your trust’s details
Use this online service to update the details of your trust, or declare no changes, on the Trust Register.
The sections for updating trust details and declarations have been updated and a new section about deadlines has been added.
11:41am, 22 July 2020
If there was a change before 6 April 2020 and the trust was liable to tax for any of the 3 tax years up to 6 April 2020, you must update the details by 31 January 2021.
If the change was in the tax year 2020 to 2021 and the trust was liable to tax for that year, you must update the details by 31 January 2022.
If there have been no changes to the trust details, but the trust was liable to tax for any tax year, you must declare this on the Trust Register by the same deadline as if there had been a change.