23 Jun 2021
The CHIEF service currently has limited availability. HMRC is working to restore the full system access urgently. During this period HMRC asks that declarations are NOT resubmitted as this may hamper system recovery.
Live services pages have been updated: https://www.gov.uk/government/publications/customs-handling-of-import-export-freight-chief-service-availability-and-issues/customs-handling-of-import-export-freight-chief-service-availability-and-issues
Check the update for when the full access has been restored.
UPDATE:
Following on from yesterday’s advice on CHIEF availability, the service was fully restored yesterday gov.uk link
HMRC sincerely apologises for the inconvenience this may have caused.
23 Jun 2021