External service issue · Corporation Tax — CT600 filing · Started 28 Oct, 16:04 · Resolved 29 Oct, 17:20 · Detected automatically

1. 29 Oct, 17:20 Resolved The service has been normal for 30 minutes. Resolved.
2. 29 Oct, 16:50 Monitoring Our checks show the service is back to normal. We are monitoring it before closing this incident.
3. 29 Oct, 08:40 Identified The issue has recurred. We are watching it again.
4. 29 Oct, 08:10 Monitoring Our checks show the service is back to normal. We are monitoring it before closing this incident.
5. 28 Oct, 16:20 Investigating The impact has increased.
6. 28 Oct, 16:04 Investigating A service issue at HMRC means some Corporation Tax confirmations are being delayed. Please file as normal - your submission will be accepted for processing and the status will update once HMRC confirms it.