All Systems Operational
ChamberCustoms Systems
Operational
Customs Declarations (SGS) - Live
Operational
Customs Declarations (SGS) - TDR
Operational
GVMS / GMR Declarations (SGS)
Operational
ENS (Import Safety and Security) Declarations (SGS)
Operational
Transit Declarations (SGS - TransitNet)
Operational
Customer Portal (EXabler)
Operational
ChamberCustoms Data Centre (Benchmark)
Operational
Contract Sending (Signable)
Operational
Credit Checking (CreditSafe)
Operational
Company Checking (Companies House)
Operational
VAT Checking (HMRC)
Operational
EORI Checking (HMRC)
Operational
HMRC Systems
Operational
HMRC CDS (Import/Export declarations) - Live
Operational
HMRC CDS (Import/Export declarations) - TDR
Operational
HMRC NCTS (Transit Declarations)
Operational
HMRC GVMS (GMR Declarations)
Operational
HMRC ENS (Import Safety and Security)
Operational
CSP Inventory systems
Operational
Air Cargo (CCS-UK/BT)
Operational
Road Cargo (Pentant CusLink)
Operational
Sea Cargo (MCP Destin8)
Operational
Sea Cargo (CNS Compass)
Operational
Helpdesk
Operational
Freshdesk
Operational
Dashboards
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.
Scheduled Maintenance
HMRC TDR Service Update with Downtime 8th September 2026 Sep 8, 2026 12:00-16:00 BST
HMRC have asked us to advise you that due to scheduled maintenance, the the CDS TDR (Trader Dress Rehearsal) Service will be unavailable for the period below:
From: 12:00 Tuesday 8th September 2026
To: 16:00 Tuesday 8th September 2026 (4hrs, UK time)
There will be a complete outage during this period.
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. *
*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.
HMRC wish to pass on their apologies for any inconvenience the period of downtime may cause whilst they undertake this important update, and appreciate your understanding.
Kind regards
ChamberCustoms Team
Posted on Sep 02, 2026 - 14:41 BST
From: 12:00 Tuesday 8th September 2026
To: 16:00 Tuesday 8th September 2026 (4hrs, UK time)
There will be a complete outage during this period.
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. *
*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.
HMRC wish to pass on their apologies for any inconvenience the period of downtime may cause whilst they undertake this important update, and appreciate your understanding.
Kind regards
ChamberCustoms Team
Posted on Sep 02, 2026 - 14:41 BST
HMRC TDR Service Maintenance with Downtime - Tuesday 11th August Nov 6, 2026 12:00-16:00 GMT
HMRC have informed us that due to scheduled maintenance, the CDS TDR Service will be unavailable for the period below:
From: 12:00 Tuesday 11th August 2026
To: 16:00 Tuesday 11th August 2026 (4hrs, UK time)
There will be a complete outage during this period.
Kind regards,
ChamberCustoms team
Posted on Aug 06, 2026 - 16:43 BST
From: 12:00 Tuesday 11th August 2026
To: 16:00 Tuesday 11th August 2026 (4hrs, UK time)
There will be a complete outage during this period.
Kind regards,
ChamberCustoms team
Posted on Aug 06, 2026 - 16:43 BST