Codeunit 6786 "Withholding Tax Jnl Subscriber"

WithholdingTax · Microsoft.WithholdingTax · BC29-30 · source at ea08af5e · facts from BC29

Event subscriptions

• DeleteWithholdingTaxEntry subscribes to Table “Gen. Journal Line” OnAfterDeleteEvent
• AssignGLAccValue subscribes to Table “Gen. Journal Line” OnAfterAccountNoOnValidateGetGLAccount
• AssignBalGLAccValue subscribes to Table “Gen. Journal Line” OnAfterAccountNoOnValidateGetGLBalAccount
• AssignVendValue subscribes to Table “Gen. Journal Line” OnAfterAccountNoOnValidateGetVendorAccount
• ClearPostingGroups subscribes to Table “Gen. Journal Line” OnAfterClearPostingGroups
• OnBeforeInitGLEntryForGLAcc subscribes to Codeunit “Gen. Jnl.-Post Line” OnBeforeInitGLEntryForGLAcc
• PostWithholdingTaxforGL subscribes to Codeunit “Gen. Jnl.-Post Line” OnPostGLAccOnBeforeDeferralPosting
• OnPostVendOnAfterInitVendLedgEntry subscribes to Codeunit “Gen. Jnl.-Post Line” OnPostVendOnAfterInitVendLedgEntry
• OnPostVendAfterTempDtldCVLedgEntryBufInit subscribes to Codeunit “Gen. Jnl.-Post Line” OnPostVendAfterTempDtldCVLedgEntryBufInit
• OnAfterInitGLRegister subscribes to Codeunit “Gen. Jnl.-Post Line” OnAfterInitGLRegister
• OnAfterVendLedgEntryInsert subscribes to Codeunit “Gen. Jnl.-Post Line” OnBeforePostingDeferral
• OnPostBankAccOnBeforeInitBankAccLedgEntry subscribes to Codeunit “Gen. Jnl.-Post Line” OnPostBankAccOnBeforeInitBankAccLedgEntry
• OnBeforeBankAccLedgEntryUpdateAmounts subscribes to Codeunit “Gen. Jnl.-Post Line” OnBeforeBankAccLedgEntryUpdateAmounts
• OnPostBankAccOnBeforeCheckLedgEntryInsert subscribes to Codeunit “Gen. Jnl.-Post Line” OnPostBankAccOnBeforeCheckLedgEntryInsert
• OnPostBankAccOnBeforeCreateGLEntryBalAcc subscribes to Codeunit “Gen. Jnl.-Post Line” OnPostBankAccOnBeforeCreateGLEntryBalAcc
• OnBeforeCopyFromCVLedgEntryBuffer subscribes to Codeunit “Gen. Jnl.-Post Line” OnBeforeCopyFromCVLedgEntryBuffer
• OnBeforeUpdateOldVendLedgEntryAmountToApply subscribes to Codeunit “Gen. Jnl.-Post Line” OnBeforeUpdateOldVendLedgEntryAmountToApply
• OnAfterOldVendLedgEntryModify subscribes to Codeunit “Gen. Jnl.-Post Line” OnAfterOldVendLedgEntryModify
• OnVendUnrealizedVATOnBeforeGetUnrealizedVATPart subscribes to Codeunit “Gen. Jnl.-Post Line” OnVendUnrealizedVATOnBeforeGetUnrealizedVATPart
• OnUnapplyVendLedgEntryOnAfterCreateGLEntriesForTotalAmounts subscribes to Codeunit “Gen. Jnl.-Post Line” OnUnapplyVendLedgEntryOnAfterCreateGLEntriesForTotalAmounts
• SetNextTaxEntryNo subscribes to Codeunit “Gen. Jnl.-Post Line” OnStartPostingOnAfterSetNextTaxEntryNo
• SetFromWithholdingEntryNo subscribes to Codeunit “Gen. Jnl.-Post Line” OnAfterInitGLRegister
• OnBeforeUpdateGLReg subscribes to Codeunit “Gen. Jnl.-Post Line” OnBeforeUpdateGLReg
• OnBeforeProcessBalanceOfLines subscribes to Codeunit “Gen. Jnl.-Post Batch” OnBeforeProcessBalanceOfLines
• ProcessBalanceOfLines subscribes to Codeunit “Gen. Jnl.-Post Batch” OnAfterProcessBalanceOfLines
• OnProcessLinesOnAfterProcessICTransaction subscribes to Codeunit “Gen. Jnl.-Post Batch” OnProcessLinesOnAfterPostGenJournalLine
• OnBeforeFindGenJnlLineOnProcessLines subscribes to Codeunit “Gen. Jnl.-Post Batch” OnBeforeFindGenJnlLineOnProcessLines
• OnPostPaymentApplicationsOnAfterPostGenJnlLine subscribes to Codeunit “Bank Acc. Reconciliation Post” OnPostPaymentApplicationsOnAfterPostGenJnlLine
• AssignWHTPostingGroupOnCreatePayment subscribes to Page “Create Payment” OnBeforeUpdateGnlJnlLineDimensionsFromVendorPayment
• OnPostPaymentApplicationsOnBeforeValidateApplyRequirements subscribes to Codeunit “Bank Acc. Reconciliation Post” OnPostPaymentApplicationsOnBeforeValidateApplyRequirements

Procedures

• IsVendAcc(GenJnlLine: Record "Gen. Journal Line"): Boolean
• PostGLAccWithholdingTax(GenJnlLine: Record "Gen. Journal Line"; WHTAmountLCY: Decimal; sender: Codeunit "Gen. Jnl.-Post Line")
• CalcVendWithholdingTax(GenJnlLine: Record "Gen. Journal Line"; var WHTAmountLCY: Decimal; var WHTAmount: Decimal)
• ProcessSourceCode(SourceCode: Code[10]; SourceCodeSetup: Record "Source Code Setup"): Boolean
• PostVendWithholdingTax(GenJnlLine: Record "Gen. Journal Line"; VendLedgEntry: Record "Vendor Ledger Entry"; WithholdingAmount: Decimal; WithholdingAmountLCY: Decimal; NextTransactionNo: Integer; var NextWHTEntryNo: Integer; sender: Codeunit "Gen. Jnl.-Post Line")
• UpdateWithholdingEntryTransaction(DocNo: Code[20]; NextTransactionNo: Integer)
• CollectWithholdingTaxAmount(DocNo: Code[20]): Decimal
• InsertWHTPostingBufferPosted(var WithholdingTaxEntryGL: Record "Withholding Tax Entry"; var GenJnlLine: Record "Gen. Journal Line"; Apply: Boolean; Source: Option Sales,Purchase; var NextEntryNo: Integer; var NextCheckEntryNo: Integer; NextTransactionNo: Integer; sender: Codeunit "Gen. Jnl.-Post Line")
• UnapplyWHTEntry(GenJnlLine: Record "Gen. Journal Line"; CVNo: Code[20]; TransactionNo: Integer; VoidCheck: Boolean; var NextWHTEntryNo: Integer; var NextEntryNo: Integer; var NextCheckEntryNo: Integer; NextTransactionNo: Integer; sender: Codeunit "Gen. Jnl.-Post Line")

Plus 16 local procedures.

Calls

From the extracted call graph of BC29 (graphify-al on the snapshot checkout): calls whose target is known from a declared type or an Object::"Name" argument. Interface dispatch and calls through events are not counted, so the list is not complete.

• Codeunit 6785 “Withholding Tax Mgmt.” (37 calls: ApplyVendLedgEntryOnBeforeOldVendLedgEntryModify → ProcessPayment, ApplyWHT → ApplyVendInvoiceWHTPosted, AssignBalGLAccValue → CheckVendorWithholdingTaxLiable, …)
• Codeunit 12 “Gen. Jnl.-Post Line” (12 calls: CalcDtldCVLedgEntryAmount → ExchangeAmtLCYToFCY2, CalcSourceCurrVATBaseAmount → CalcAmountSourceCurrency, InsertWHTPostingBufferPosted → InitGLEntry, …)
• Codeunit 13 “Gen. Jnl.-Post Batch” (1 call: OnProcessLinesOnAfterProcessICTransaction → PostGenJournalLines)

Recent changes

• 2026-08-19 #9865 [Main] - ‘Greater Than’ Withholding Tax Calculation Rule is not app… (main, BC30, fix)
• 2026-07-22 #9650 [Master] -Revert Changes- ‘Greater Than’ Withholding Tax Calculation Rule is not applied correctly in Withholding Tax Posting Setup. (main, BC30, other)
• 2026-07-20 #9515 [Master] - ‘Greater Than’ Withholding Tax Calculation Rule is not applied correctly in Withholding Tax Posting Setup. (main, BC30, fix)
• 2026-07-17 [#9479 [Master]-]Withholding Tax Entries are not generated at payment because the Withholding Tax. Prod. Posting Group field gets not transferred to the payment line](../../changes/bcapps/9479.md) (main, BC30, fix)

Ask your agent

Procedure bodies are not stored here (D10). The call sections above are our own, per object, from the BC29 call graph. For a procedure body or the calls of one procedure, ask bc-code-atlas (external, by Stefan Maron, MIT; default corpus w1-28), which the bc-observatory plugin connects: bcatlas_resolve_node(object_type: "codeunit", object_name: "Withholding Tax Jnl Subscriber"), then bcatlas_get_procedure_body or bcatlas_get_neighbors on the returned id.