Here is a list of the objects affected by our SEPA update. The objects listed concerns each of our supported versions. AX 2009, AX 2012  & AX2012 R2 so you might have to scroll down a bit if you are on a later version. You can learn more about the latest status(2013) of SEPA here http://blogs.msdn.com/b/axsupport/archive/2013/11/22/status-on-sepa-november-2013.aspx

AX 2009

\Data Dictionary\Tables\AddressCountryRegion
\Data Dictionary\Tables\CompanyInfo
\Data Dictionary\Tables\CustBankAccount
\Data Dictionary\Tables\CustDirectDebitMandate
\Data Dictionary\Tables\CustDirectDebitMandateLog
\Data Dictionary\Tables\CustDirectDebitMandateLogRecord
\Data Dictionary\Tables\CustInvoiceJour
\Data Dictionary\Tables\CustInvoiceTable
\Data Dictionary\Tables\CustParameters
\Data Dictionary\Tables\CustPaymModeTable
\Data Dictionary\Tables\CustTable
\Data Dictionary\Tables\CustTrans
\Data Dictionary\Tables\CustTransOpen
\Data Dictionary\Tables\LedgerJournalTrans
\Data Dictionary\Tables\ProjInvoiceJour
\Data Dictionary\Tables\SalesTable
\Data Dictionary\Maps\AddressMap
\Data Dictionary\Maps\CustVendTrans
\Data Dictionary\Extended Data Types\BankDebitDirectId
\Data Dictionary\Extended Data Types\CUC_IT
\Data Dictionary\Extended Data Types\CustBankSubmissionDays
\Data Dictionary\Extended Data Types\CustDirectDebitMandateLogRecordValue
\Data Dictionary\Extended Data Types\CustDirectDebitMandateRecId
\Data Dictionary\Extended Data Types\CustMandateCancellationDate
\Data Dictionary\Extended Data Types\CustMandateExpectedUsageCount
\Data Dictionary\Extended Data Types\CustMandateId
\Data Dictionary\Extended Data Types\CustMandateMonthsToExpiration
\Data Dictionary\Extended Data Types\CustMandateSignatureDate
\Data Dictionary\Extended Data Types\CustMandateUsageCount
\Data Dictionary\Extended Data Types\CustPaymIsSEPA
\Data Dictionary\Extended Data Types\CustPrenotificationDays
\Data Dictionary\Extended Data Types\SEPADirectDebitIssuerType
\Data Dictionary\Base Enums\BankIBSPaymType
\Data Dictionary\Base Enums\CustDirectDebitMandateLogRecordKey
\Data Dictionary\Base Enums\CustDirectDebitMandateState
\Data Dictionary\Base Enums\CustMandatePaymentType
\Data Dictionary\Base Enums\CustMandateScheme
\Data Dictionary\Base Enums\CustMandateStatus
\Data Dictionary\Base Enums\RemmitanceInfo
\Data Dictionary\Base Enums\SEPADirectDebitIssuer
\Data Dictionary\Base Enums\SEPAMessageVariantDE
\Classes\AddressSelectForm
\Classes\AddressSelectForm_CustDirectDebitMandate
\Classes\AxCompanyInfo
\Classes\AxCustInvoiceJour
\Classes\AxCustInvoiceTable
\Classes\AxCustPaymModeTable
\Classes\AxCustTable
\Classes\AxCustTrans
\Classes\AxProjInvoiceJour
\Classes\AxSalesTable
\Classes\BankPaymCancel
\Classes\CustCollectEInvoice_CustTable_NO
\Classes\CustCustomer_CustTable
\Classes\CustDirectDebitMandateLogHelper
\Classes\CustFreeTextInvoice_CustInvoiceTable
\Classes\CustOutPaym
\Classes\CustOutPaym_SEPA
\Classes\CustOutPaym_SEPA_BE
\Classes\CustOutPaym_SEPA_DE
\Classes\CustOutPaym_SEPA_ES
\Classes\CustOutPaym_SEPA_FR
\Classes\CustOutPaym_SEPA_IT
\Classes\CustOutPaym_SEPA_NL
\Classes\CustOutPaymRecord_SEPA
\Classes\CustOutPaymRecord_SEPA_BE
\Classes\CustOutPaymRecord_SEPA_DE
\Classes\CustOutPaymRecord_SEPA_ES
\Classes\CustOutPaymRecord_SEPA_FR
\Classes\CustOutPaymRecord_SEPA_IT
\Classes\CustOutPaymRecord_SEPA_NL
\Classes\CustReversePosting
\Classes\CustVendOutPaym
\Classes\CustVendOutPaymRecord
\Classes\CustVendPaymProposalTransferToJournal
\Classes\CustVoucher
\Classes\LedgerJournalTransUpdateCust
\Classes\NumberSeqReference_Customer
\Classes\ProdProjEInvoice_CustPaymModeTable
\Classes\ProdProjEInvoice_CustTable
\Classes\ProdProjEInvoice_CustTrans
\Classes\ProdProjEInvoice_ProjInvoiceJour
\Classes\ReturnReturnOrderIn_SalesTable
\Classes\ReturnReturnOrderOut_SalesTable
\Classes\SalesSalesEInvoice_CustInvoiceJour
\Classes\SalesSalesEInvoice_CustPaymModeTable
\Classes\SalesSalesEInvoice_CustTable
\Classes\SalesSalesEInvoice_CustTrans
\Classes\SalesSalesInvoice_CustInvoiceJour
\Classes\SalesSalesOrder_SalesTable
\Classes\VendOutPaym
\Classes\VendOutPaym_SEPA
\Classes\VendOutPaym_SEPA_AT
\Classes\VendOutPaym_SEPA_BE
\Classes\VendOutPaym_SEPA_DE
\Classes\VendOutPaym_SEPA_DEPrintable
\Classes\VendOutPaym_SEPA_ES
\Classes\VendOutPaym_SEPA_FI
\Classes\VendOutPaym_SEPA_FR
\Classes\VendOutPaym_SEPA_IT
\Classes\VendOutPaym_SEPA_NL
\Classes\VendOutPaym_SEPA03
\Classes\VendOutPaym_SEPA03_AT
\Classes\VendOutPaym_SEPA03_BE
\Classes\VendOutPaym_SEPA03_DE
\Classes\VendOutPaym_SEPA03_ES
\Classes\VendOutPaym_SEPA03_FI
\Classes\VendOutPaym_SEPA03_FR
\Classes\VendOutPaym_SEPA03_IT
\Classes\VendOutPaym_SEPA03_NL
\Classes\VendOutPaymRecord_ISO20022_Gen_BE
\Classes\VendOutPaymRecord_SEPA
\Classes\VendOutPaymRecord_SEPA_AT
\Classes\VendOutPaymRecord_SEPA_BE
\Classes\VendOutPaymRecord_SEPA_DE
\Classes\VendOutPaymRecord_SEPA_ES
\Classes\VendOutPaymRecord_SEPA_FI
\Classes\VendOutPaymRecord_SEPA_FR
\Classes\VendOutPaymRecord_SEPA_IT
\Classes\VendOutPaymRecord_SEPA_NL
\Classes\VendOutPaymRecord_SEPA03
\Classes\VendOutPaymRecord_SEPA03_AT
\Classes\VendOutPaymRecord_SEPA03_BE
\Classes\VendOutPaymRecord_SEPA03_DE
\Classes\VendOutPaymRecord_SEPA03_ES
\Classes\VendOutPaymRecord_SEPA03_FI
\Classes\VendOutPaymRecord_SEPA03_FR
\Classes\VendOutPaymRecord_SEPA03_IT
\Classes\VendOutPaymRecord_SEPA03_NL
\Forms\CompanyInfo
\Forms\CustDirectDebitMandate
\Forms\CustDirectDebitMandateLookup
\Forms\CustFreeInvoice
\Forms\CustOpenTrans
\Forms\CustOpenTransReverse
\Forms\CustParameters
\Forms\CustPaymEntry
\Forms\CustPaymMode
\Forms\CustTable
\Forms\CustTrans
\Forms\CustTransOpen
\Forms\LedgerJournalTransCustPaym
\Forms\SalesTable
\Reports\CustDirectDebitMandate
\Reports\CustDirectDebitMandateInvoice
\Reports\FreeTextInvoice
\Reports\ProjInvoice
\Reports\SalesInvoice
\Reports\VendOutAttendingNote_SEPA_DE
\Reports\VendOutCoveringLetter_SEPA_DE
\Reports\VendOutPaymControl
\Menu Items\Display\CustDirectDebitMandate
\Menu Items\Output\CustDirectDebitMandateInvoiceReport
\Menu Items\Output\CustDirectDebitMandateReport
\Menu Items\Output\VendOutAttendingNote_SEPA_DE
\Menu Items\Output\VendOutCoveringLetter_SEPA_DE

AX 2012

\Data Dictionary\Tables\CompanyInfo
\Data Dictionary\Tables\CustBankAccount
\Data Dictionary\Tables\CustDirectDebitMandate
\Data Dictionary\Tables\CustDirectDebitMandateInvoiceHeaderTmp
\Data Dictionary\Tables\CustDirectDebitMandateInvoiceTmp
\Data Dictionary\Tables\CustDirectDebitMandateLog
\Data Dictionary\Tables\CustDirectDebitMandateLogRecord
\Data Dictionary\Tables\CustDirectDebitMandateTmp
\Data Dictionary\Tables\CustInvoiceJour
\Data Dictionary\Tables\CustInvoiceTable
\Data Dictionary\Tables\CustParameters
\Data Dictionary\Tables\CustPaymModeTable
\Data Dictionary\Tables\CustTable
\Data Dictionary\Tables\CustTrans
\Data Dictionary\Tables\CustTransOpen
\Data Dictionary\Tables\CustVendOutTmp
\Data Dictionary\Tables\DocuRef
\Data Dictionary\Tables\FreeTextInvoiceTmp
\Data Dictionary\Tables\LedgerJournalTrans
\Data Dictionary\Tables\ProjInvoiceJour
\Data Dictionary\Tables\ProjInvoiceTmp
\Data Dictionary\Tables\SalesInvoiceDetailTmp
\Data Dictionary\Tables\SalesInvoiceHeaderFooterTmp
\Data Dictionary\Tables\SalesTable
\Data Dictionary\Maps\CustVendTrans
\Data Dictionary\Views\CustDirectDebitMandateLogView
\Data Dictionary\Extended Data Types\BankDebitDirectId
\Data Dictionary\Extended Data Types\CUC_IT
\Data Dictionary\Extended Data Types\CustBankSubmissionDays
\Data Dictionary\Extended Data Types\CustDirectDebitMandateLogRecordValue
\Data Dictionary\Extended Data Types\CustDirectDebitMandateRecId
\Data Dictionary\Extended Data Types\CustMandateCancellationDate
\Data Dictionary\Extended Data Types\CustMandateExpectedUsageCount
\Data Dictionary\Extended Data Types\CustMandateId
\Data Dictionary\Extended Data Types\CustMandateMonthsToExpiration
\Data Dictionary\Extended Data Types\CustMandateSignatureDate
\Data Dictionary\Extended Data Types\CustMandateUsageCount
\Data Dictionary\Extended Data Types\CustPaymIsSEPA
\Data Dictionary\Extended Data Types\CustPrenotificationDays
\Data Dictionary\Base Enums\CustDirectDebitMandateLogRecordKey
\Data Dictionary\Base Enums\CustDirectDebitMandateState
\Data Dictionary\Base Enums\CustMandatePaymentType
\Data Dictionary\Base Enums\CustMandateScheme
\Data Dictionary\Base Enums\CustMandateStatus
\Macros\AifPaymentFormats
\Macros\AxdCustPaymentsDCT
\Classes\AifMessage
\Classes\AifMessageParts
\Classes\AxCompanyInfo
\Classes\AxCustInvoiceJour
\Classes\AxCustInvoiceTable
\Classes\AxCustPaymModeTable
\Classes\AxCustTable
\Classes\AxCustTrans
\Classes\AxdExportCustVendPayment
\Classes\AxProjInvoiceJour
\Classes\AxSalesTable
\Classes\BankPaymCancel
\Classes\CustCustomer_CustTable
\Classes\CustDirectDebitMandateContract
\Classes\CustDirectDebitMandateController
\Classes\CustDirectDebitMandateDP
\Classes\CustDirectDebitMandateInvoiceController
\Classes\CustDirectDebitMandateInvoiceDP
\Classes\CustDirectDebitMandateLogHelper
\Classes\CustECollectLetter_CustTable_NO
\Classes\CustPayments_CustDirectDebitMandate
\Classes\CustPayments_CustTable
\Classes\CustPayments_CustTrans
\Classes\CustPayments_Log
\Classes\CustPayments_LogRecord
\Classes\CustPayments_LogView
\Classes\CustReversePosting
\Classes\CustVendPaymAifSetup
\Classes\CustVendPaymProposalTransferToJournal
\Classes\CustVoucher
\Classes\FreeTextInvoiceDP
\Classes\LedgerJournalTransUpdateCust
\Classes\NumberSeqModuleCustomer
\Classes\ProdProjEInvoice_CustPaymModeTable
\Classes\ProdProjEInvoice_CustTable
\Classes\ProdProjEInvoice_CustTrans
\Classes\ProdProjEInvoice_ProjInvoiceJour
\Classes\ProjInvoiceDP
\Classes\ProjInvoiceJournalPost
\Classes\ReturnReturnOrderIn_SalesTable
\Classes\ReturnReturnOrderOut_SalesTable
\Classes\SalesInvoiceDP
\Classes\SalesSalesEInvoice_CustInvoiceJour
\Classes\SalesSalesEInvoice_CustPaymModeTable
\Classes\SalesSalesEInvoice_CustTable
\Classes\SalesSalesEInvoice_CustTrans
\Classes\SalesSalesInvoice_CustInvoiceJour
\Classes\SalesSalesOrder_SalesTable
\Classes\VendOutPaymControlAIF
\Forms\CustDirectDebitMandate
\Forms\CustFreeInvoice
\Forms\CustOpenTrans
\Forms\CustOpenTransReverse
\Forms\CustParameters
\Forms\CustPaymEntry
\Forms\CustPaymMode
\Forms\CustTable
\Forms\CustTrans
\Forms\CustTransOpen
\Forms\LedgerJournalTransCustPaym
\Forms\OMLegalEntity
\Forms\SalesCopying
\Forms\SalesTable
\SSRS Reports\Reports\CustDirectDebitMandate
\SSRS Reports\Reports\CustDirectDebitMandateInvoice
\SSRS Reports\Reports\FreeTextInvoice
\SSRS Reports\Reports\ProjInvoice
\SSRS Reports\Reports\SalesInvoice
\SSRS Reports\Reports\VendOutPaymControl
\Visual Studio Projects\Dynamics AX Model Projects\CustDirectDebitMandateInvoiceReport
\Visual Studio Projects\Dynamics AX Model Projects\CustDirectDebitMandateReport
\Queries\CustPayments
\Menu Items\Display\CustDirectDebitMandateEdit
\Menu Items\Display\CustDirectDebitMandateNew
\Menu Items\Display\CustDirectDebitMandateView
\Menu Items\Output\CustDirectDebitMandate
\Menu Items\Output\CustDirectDebitMandateInvoice
\Security\Privileges\CustTableMaintain
\Resources\CustPayments_SEPADirectDebit_02_xslt
\Resources\VendPayments_SEPACreditTransfer_03_xsl
\Resources\VendPayments_SEPACreditTransfer_xslt
\Resources\VendPayments_SEPATruncateTags_xslt
\Resources\VendPayments_SEPATruncateTagsAndBOM_xslt

AX 2012 R2

\Data Dictionary\Tables\CompanyInfo
\Data Dictionary\Tables\CustBankAccount
\Data Dictionary\Tables\CustDirectDebitMandate
\Data Dictionary\Tables\CustDirectDebitMandateInvoiceHeaderTmp
\Data Dictionary\Tables\CustDirectDebitMandateInvoiceTmp
\Data Dictionary\Tables\CustDirectDebitMandateLog
\Data Dictionary\Tables\CustDirectDebitMandateLogRecord
\Data Dictionary\Tables\CustDirectDebitMandateTmp
\Data Dictionary\Tables\CustInvoiceJour
\Data Dictionary\Tables\CustInvoiceTable
\Data Dictionary\Tables\CustParameters
\Data Dictionary\Tables\CustPaymModeTable
\Data Dictionary\Tables\CustTable
\Data Dictionary\Tables\CustTrans
\Data Dictionary\Tables\CustTransOpen
\Data Dictionary\Tables\CustVendOutTmp
\Data Dictionary\Tables\DocuRef
\Data Dictionary\Tables\FreeTextInvoiceHeaderFooterTmp
\Data Dictionary\Tables\FreeTextInvoiceLocalizationTmp
\Data Dictionary\Tables\FreeTextInvoiceTmp
\Data Dictionary\Tables\LedgerJournalTrans
\Data Dictionary\Tables\ProjInvoiceJour
\Data Dictionary\Tables\ProjInvoiceLocalizationTmp
\Data Dictionary\Tables\ProjInvoiceTmp
\Data Dictionary\Tables\PSAContractLineInvoiceTmp
\Data Dictionary\Tables\PSACustRetentionReleaseInvoiceTmp
\Data Dictionary\Tables\PSAManageInvoiceBRTmp
\Data Dictionary\Tables\PSAManageInvoiceTmp
\Data Dictionary\Tables\PSAProjInvoiceHeaderTmp
\Data Dictionary\Tables\SalesInvoiceHeaderFooterTmp
\Data Dictionary\Tables\SalesInvoiceLocalizationTmp
\Data Dictionary\Tables\SalesInvoiceTmp
\Data Dictionary\Tables\SalesTable
\Data Dictionary\Maps\CustVendTrans
\Data Dictionary\Views\CustDirectDebitMandateLogView
\Data Dictionary\Extended Data Types\BankDebitDirectId
\Data Dictionary\Extended Data Types\CUC_IT
\Data Dictionary\Extended Data Types\CustBankSubmissionDays
\Data Dictionary\Extended Data Types\CustDirectDebitMandateLogRecordValue
\Data Dictionary\Extended Data Types\CustDirectDebitMandateRecId
\Data Dictionary\Extended Data Types\CustMandateCancellationDate
\Data Dictionary\Extended Data Types\CustMandateExpectedUsageCount
\Data Dictionary\Extended Data Types\CustMandateId
\Data Dictionary\Extended Data Types\CustMandateMonthsToExpiration
\Data Dictionary\Extended Data Types\CustMandateSignatureDate
\Data Dictionary\Extended Data Types\CustMandateUsageCount
\Data Dictionary\Extended Data Types\CustPaymIsSEPA
\Data Dictionary\Extended Data Types\CustPrenotificationDays
\Data Dictionary\Base Enums\CustDirectDebitMandateLogRecordKey
\Data Dictionary\Base Enums\CustDirectDebitMandateState
\Data Dictionary\Base Enums\CustMandatePaymentType
\Data Dictionary\Base Enums\CustMandateScheme
\Data Dictionary\Base Enums\CustMandateStatus
\Macros\AifPaymentFormats
\Macros\AxdCustPaymentsDCT
\Classes\AxCompanyInfo
\Classes\AxCustInvoiceJour
\Classes\AxCustInvoiceTable
\Classes\AxCustPaymModeTable
\Classes\AxCustTable
\Classes\AxCustTrans
\Classes\AxdExportCustVendPayment
\Classes\AxProjInvoiceJour
\Classes\AxSalesTable
\Classes\BankPaymCancel
\Classes\CustCustomer_CustTable
\Classes\CustDirectDebitMandateContract
\Classes\CustDirectDebitMandateController
\Classes\CustDirectDebitMandateDP
\Classes\CustDirectDebitMandateInvoiceController
\Classes\CustDirectDebitMandateInvoiceDP
\Classes\CustDirectDebitMandateLogHelper
\Classes\CustECollectLetter_CustTable_NO
\Classes\CustPayments_CustDirectDebitMandate
\Classes\CustPayments_CustTable
\Classes\CustPayments_CustTrans
\Classes\CustPayments_Log
\Classes\CustPayments_LogRecord
\Classes\CustPayments_LogView
\Classes\CustReversePosting
\Classes\CustVendPaymAifSetup
\Classes\CustVendPaymProposalTransferToJournal
\Classes\CustVoucher
\Classes\FreeTextInvoiceDP
\Classes\LedgerJournalTransUpdateCust
\Classes\NumberSeqModuleCustomer
\Classes\ProdProjEInvoice_CustPaymModeTable
\Classes\ProdProjEInvoice_CustTable
\Classes\ProdProjEInvoice_CustTrans
\Classes\ProdProjEInvoice_ProjInvoiceJour
\Classes\ProjInvoiceDP
\Classes\ProjInvoiceJournalPost
\Classes\PSAContractLineInvoiceDP
\Classes\PSACustRetentionReleaseInvoiceDP
\Classes\PSAManageInvoiceBRDP
\Classes\PSAManageInvoiceDP
\Classes\PSAProjInvoiceDP
\Classes\ReturnReturnOrderIn_SalesTable
\Classes\ReturnReturnOrderOut_SalesTable
\Classes\SalesInvoiceDP
\Classes\SalesInvoiceDPBase
\Classes\SalesSalesEInvoice_CustInvoiceJour
\Classes\SalesSalesEInvoice_CustPaymModeTable
\Classes\SalesSalesEInvoice_CustTable
\Classes\SalesSalesEInvoice_CustTrans
\Classes\SalesSalesInvoice_CustInvoiceJour
\Classes\SalesSalesOrder_SalesTable
\Classes\VendOutPaymControlAIF
\Forms\CustDirectDebitMandate
\Forms\CustFreeInvoice
\Forms\CustOpenTrans
\Forms\CustOpenTransReverse
\Forms\CustParameters
\Forms\CustPaymEntry
\Forms\CustPaymMode
\Forms\CustTable
\Forms\CustTrans
\Forms\CustTransOpen
\Forms\LedgerJournalTransCustPaym
\Forms\OMLegalEntity
\Forms\SalesCopying
\Forms\SalesTable
\SSRS Reports\Reports\CustDirectDebitMandate
\SSRS Reports\Reports\CustDirectDebitMandateInvoice
\SSRS Reports\Reports\FreeTextInvoice
\SSRS Reports\Reports\ProjInvoice
\SSRS Reports\Reports\PSAContractLineInvoice
\SSRS Reports\Reports\PSACustRetentionReleaseInvoice
\SSRS Reports\Reports\PSAManageInvoice
\SSRS Reports\Reports\PSAManageInvoiceBR
\SSRS Reports\Reports\PSAProjInvoice
\SSRS Reports\Reports\SalesInvoice
\SSRS Reports\Reports\VendOutPaymControl
\Visual Studio Projects\Dynamics AX Model Projects\CustDirectDebitMandateInvoiceReport
\Visual Studio Projects\Dynamics AX Model Projects\CustDirectDebitMandateReport
\Queries\CustPayments
\Menu Items\Display\CustDirectDebitMandateEdit
\Menu Items\Display\CustDirectDebitMandateNew
\Menu Items\Display\CustDirectDebitMandateView
\Menu Items\Output\CustDirectDebitMandate
\Menu Items\Output\CustDirectDebitMandateInvoice
\Security\Privileges\CustTableMaintain
\Resources\CustPayments_SEPADirectDebit_02_xslt
\Resources\VendPayments_SEPACreditTransfer_03_xsl
\Resources\VendPayments_SEPACreditTransfer_xslt
\Resources\VendPayments_SEPATruncateTags_xslt
\Resources\VendPayments_SEPATruncateTagsAndBOM_xslt