We have received the following information from GB Customs Authorities concerning a scheduled maintenance. They will be completing a maintenance update to the CDS Trader Dress Rehearsal (TDR) service on Tuesday 20ᵗʰ October.
The outage is expected to last 4 hours, beginning at 13:00 until 17:00 (CET).
During this maintenance window they will be refreshing the below data held in TDR:
Trader personal, account, and licensing data, using data which has been copied from Production on Tuesday 20ᵗʰ October.
Refreshing UK/EU Tariff data, using data which has been copied from Production on Wednesday 7ᵗʰ October*
*Trader Dress Rehearsal is a sandbox environment and is regularly refreshed with Trader data and data from the Online Tariff on a given date, as such any CDS changes to Trader data in the live service or updates to the Online Tariff will not be reflected in TDR instantaneously.
If you require assistance, please contact our Customer Support team via the ticket portal.
Kind regards
Posted Oct 13, 2026 - 19:13 CEST
This scheduled maintenance affects: Great Britain.