Baselayer experienced a minor incident on October 4, 2026 affecting TIN Match, lasting 9h 45m. The incident has been resolved; the full update timeline is below.
Affected components
TIN Match
Update timeline
- monitoring Oct 04, 2026, 05:30 AM UTC
Status: Monitoring IRS TIN matching is currently impacted. We are monitoring. Affected components TIN Match (Partial outage)
- monitoring Oct 04, 2026, 02:45 PM UTC
Status: Monitoring Conditions have worsened. We continue to monitor. Affected components TIN Match (Full outage)
- monitoring Oct 04, 2026, 03:00 PM UTC
Status: Monitoring Conditions are improving. Continuing to monitor. Affected components TIN Match (Partial outage)
- resolved Oct 04, 2026, 03:15 PM UTC
Status: Resolved IRS TIN matching has recovered.