Baselayer incident

IRS TIN Matching

Minor Resolved View vendor source →

Baselayer experienced a minor incident on September 20, 2026 affecting TIN Match, lasting —. The incident has been resolved; the full update timeline is below.

Started
Sep 20, 2026, 03:30 PM UTC
Resolved
Sep 20, 2026, 03:30 PM UTC
Duration
—
Detected by Pingoru
Sep 20, 2026, 03:30 PM UTC

Affected components

TIN Match

Update timeline

  1. monitoring Sep 20, 2026, 01:15 PM UTC

    Status: Monitoring IRS TIN matching is currently impacted. We are monitoring. Affected components TIN Match (Partial outage)

  2. monitoring Sep 20, 2026, 02:45 PM UTC

    Status: Monitoring Conditions have worsened. We continue to monitor. Affected components TIN Match (Full outage)

  3. monitoring Sep 20, 2026, 03:15 PM UTC

    Status: Monitoring Conditions are improving. Continuing to monitor. Affected components TIN Match (Partial outage)

  4. resolved Sep 20, 2026, 03:30 PM UTC

    Status: Resolved IRS TIN matching has recovered.