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Fedwire® Funds Service Release DIT2 Peer-to-Peer Request Form and Test Schedule

In preparation for the Fedwire Funds Service ISO® 20022 November 2026 release, mandatory testing group participants are required to participate in at least two peer-to-peer testing sessions in the second Depository Institution Testing (DIT2) environment to ensure readiness. All other participants are highly encouraged to test; peer-to-peer testing allows you to test the November 2026 release changes, verify message integrity and reconcile your Fedwire Funds Service activity as you would on a normal processing day to ensure your organization is ready for the upcoming release. We encourage you to participate in all six testing sessions, if possible.

On the day of testing, participants should:

  • Simulate a typical business day in the DIT2 environment
  • Successfully complete the Test Case Scenario document (available via the MyStandards® portal by the Swift® service)
  • Conduct additional use cases as needed with your testing partner(s)

Register for testing

Select the form below corresponding to the FedLine® Solution connection your organization uses and register by the indicated deadline (see testing schedule below).

Peer-to-Peer Test Request Form

Note: Click “View Participant List” for a current draft list of participants registered for the selected peer-to-peer test date. Each list will be updated every Monday.

The Wholesale Testing Services team will distribute the final customer participant list 10 business days ahead of the scheduled testing session.

Peer testing schedule for Fedwire Funds Service ISO 20022 November 2026 release.
The cycle date will be the current calendar test date.
Test Dates Deadline to Register Participant List
August 13, 2026 (Thursday) July 30, 2026 View Participant List (XLS)
August 25, 2026 (Tuesday) August 11, 2026 View Participant List (XLS)
September 15, 2026 (Tuesday) September 1, 2026 View Participant List (XLS)
September 29, 2026 (Tuesday) September 15, 2026 View Participant List (XLS)
October 8, 2026 (Thursday)* September 24, 2026 View Participant List (XLS)
October 20, 2026 (Tuesday)* October 6, 2026 View Participant List (XLS)

*Intended to be used for conducting retests following testing in August or September.

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