TDR (Trader Dress Rehearsal) Planned Downtime
Historic - 11:00, 8th September 2026 - 15:00, 8th September 2026
Albacore have been informed HMRC will be completing a maintenance update to the CDS Trader Dress Rehearsal (TDR) service on Tuesday 8th September. The outage is expected to last 4 hours, beginning at 12:00 until 16:00. During this maintenance window HMRC will be refreshing the below data held in TDR: Trader personal, account, and licensing data, using data which will be copied from Production on Tuesday 8th September.








