---
id: change/bcapps/10301
type: change
title: "#10301 [Master]-Bug 646962: Withholding Tax Posting Setup"
summary: Withholding Tax Posting Setup now validates that certain options are only available for employee-related withholding taxes, and blocks threshold period selection when inappropriate. This prevents misconfiguration when setting up withholding tax rules for vendors.
tier: official
language: en
tags:
  - fix
  - main
  - bc30
  - table withholding tax posting setup
system: development
review:
  state: reviewed
  by: opus
  at: "2026-10-08T02:07:51.429Z"
  flags: []
generated:
  at: "2026-10-08T01:26:53.141Z"
  pipeline: 0.2.0
  prompts:
    extract-change: 1
  input_hash: d3ac2d051f09194d81335e5150802b275f12941a
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/pull/10301
    title: "microsoft/BCApps#10301: [Master]-Bug 646962: Withholding Tax Posting Setup"
    date: "2026-08-21"
    commit: d3ac2d051f09194d81335e5150802b275f12941a
    t: null
    quote: Block them showing error message that this option can be used only when withholding tax is for employees.
links:
  learn: []
  objects:
    - object/table/6786
  features: []
  topics: []
  localizations: []
  videos: []
  posts: []
  guidelines: []
  changes: []
number: 10301
repo: microsoft/BCApps
source_id: bcapps-prs
url: https://github.com/microsoft/BCApps/pull/10301
kind: pr
base_branch: main
major: "30"
merged_at: "2026-08-21T19:56:12Z"
author: ViditGupta1277
author_type: User
community_contribution: true
labels:
  - "ADO: Sync"
  - "AL: Apps (W1)"
  - From Fork
  - "Team: Finance"
change_class: code
change_kind: fix
behavior_change: true
breaking: false
files:
  count: 2
  additions: 185
  deletions: 0
  al: 1
apps:
  - WithholdingTax
objects_touched:
  - key: table/6786
    page: table/6786
    type: table
    id: 6786
    name: Withholding Tax Posting Setup
    app: WithholdingTax
    status: modified
objects_unjoined: []
obsoletions: []
backports: []
fixes_issues: []
work_items:
  - 646962
  - 646963
systems:
  - development
quote: Block them showing error message that this option can be used only when withholding tax is for employees.
joined_against:
  major: "30"
  commit: ecbc028c25dbe83b61313bc566e6c1d41184bb1c
---

# #10301 [Master]-Bug 646962: Withholding Tax Posting Setup

> Withholding Tax Posting Setup now validates that certain options are only available for employee-related withholding taxes, and blocks threshold period selection when inappropriate. This prevents misconfiguration when setting up withholding tax rules for vendors.

[Pull request](https://github.com/microsoft/BCApps/pull/10301) · merged into `main` (BC30) on 2026-08-21 by ViditGupta1277 (community contribution) · 2 files (+185 -0), 1 AL · fix · tier official · reviewed (checked by Opus)

## What changed

- Restricts Calculation Base = Net to employee-only withholding taxes
- Restricts Calculation Method = Compound to employee-only withholding taxes
- Restricts non-Record/Line Withholding Threshold Base to employee-only taxes
- Blocks Withholding Threshold Period selection unless Threshold Base is Category in Period or Total in Period
- Displays error messages when invalid option combinations are attempted
- Behaviour changes for users or extensions.

## AL objects touched

- [Table 6786 "Withholding Tax Posting Setup"](../../objects/table/6786.md), WithholdingTax: modified

## Context

- Work items: AB#646962, AB#646963
- Labels: ADO: Sync, AL: Apps (W1), From Fork, Team: Finance
- Systems: development
- From the description: "Block them showing error message that this option can be used only when withholding tax is for employees."

Source: metadata of a merged pull request in microsoft/BCApps (bcapps): title, labels, changed paths and counts, with a summary in our words. No source text and no description beyond one short quote (D10, D61).