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Recent Revisions to This Document {#um-doc-revisions}
=====================================================

26.02.01
--------

:
Updated debt recovery workflow descriptions in [Debt Recovery Workflows](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-workflow-intro/um-workflow-followon/um-workflow-debt-recovery.md "").
:
Added response field handling information for authorization requests that return a value in the errorInformation.reason field in these sections:

    * [Mastercard Authorization with EMV Data](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-processing-mc-auth-intro.md "")
    * [Visa Deferred Sale with EMV Data](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-processing-sale-deferred-intro.md "")
    {#um-doc-revisions_ul_j5c_wsj_zhc}

:
Added support for [Merchant-Initiated Sale for Discover Debt Recovery](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/mt-discover-mit-debtrecov-sale-intro.md "").

25.12.01
--------

This revision contains only editorial changes and no technical updates.

25.02
-----

Transaction Types
:
Updated the first ride risk (FRR) transaction type descriptions for field values `TransitDA FRR MIT DR auth` and `TransitDA FRR tap DR auth`. See [Transaction Types](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-processing-emv-vpc/um-processing-trxn-types.md "").

25.01
-----

Discover
:
Added support for Discover cards in the U.S. See these sections:

    * [Discover Aggregated Transactions](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-intro-overview/um-intro-models/um-intro-models-aggr/um-intro-discover-aggr.md "")
    * [Discover Mass Transit Model](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-intro-overview/um-intro-models/um-intro-models-discover.md "")
    * [Discover Pay As You Go Model](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-workflow-intro/um-workflow-discover-payg.md "")
    * [Discover Authorization with EMV Data](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-processing-discover-auth-intro.md "")
    * [Discover Sale with EMV Data](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-processing-sale-discover-intro.md "")

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