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June 30, 2026 — Data eXchange specification version 26.2 published

Data eXchange specification version 26.2 published containing the following enhancements:

• Function 1414 - Payment History, payment transaction type added
• Function 1453 - View cardholder information, added dates updated
• Function 1407 - Response for MLR accounts added

April 6, 2026 — Data eXchange specification version 26.1 published

Data eXchange specification version 26.1 published with the following enhancements:

• Function 1407 - Support MLR accounts
• Function 1486 - Merchant Description Override added
• Function 1489 - Emboss Reason Code added