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bcquality/microsoft/knowledge/finance/general-ledger-entries.md
Jesper Schulz-Wedde 7fbb121c24 Add unit tests and knowledge files for BC domain context 
- Introduced unit tests for the bc-domain-context implementation, covering various scenarios including filtering by application area, technology mismatches, layer precedence, and conditional applicability.
- Added knowledge files related to finance, including topics such as Chart of Accounts, Codeunit 12, Dimension Management, and VAT on prepayment chains, among others.
- Each knowledge file includes structured metadata and best practices to enhance the domain knowledge available for Business Central tasks.
2026-04-22 11:33:47 +02:00

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bc-version domain keywords technologies countries application-area
1..99
finance
gl-entry
ledger
posting
subledger
immutable
al
w1
finance

General Ledger entries

Description

G/L Entries (table 17) are the ultimate destination of every monetary posting in Business Central. Every sub-ledger entry — Customer Ledger Entry (21), Vendor Ledger Entry (25), Item Ledger Entry (32), Fixed Asset Ledger Entry (5601), Bank Account Ledger Entry (271) — produces corresponding G/L Entries that update account balances. The sub-ledgers exist to carry dimension-specific analytical data (due date, item number, reservation); G/L Entries are the canonical financial record.

G/L Entries are immutable. Reversing a mistake requires a corrective posting (often via Reverse on the original entry), not modification. The Entry No. column is monotonically increasing, so applications ordering entries by Entry No. see insertion order; they should not assume any relationship between Entry No. and Posting Date.

Best Practice

When reading G/L Entries in a report, filter on Posting Date and Global Dimension 1/2 Code rather than on numeric Entry No. ranges — ranges are not stable across companies and break when entries are reversed and re-posted.

Anti Pattern

Modifying G/L Entry columns directly in custom code to "fix" a posting error. The sub-ledger entries and supporting tables (Detailed Cust./Vendor Ledger Entry, VAT Entry) remain unchanged and diverge from G/L, producing an off-balance state that only surfaces at period-close reconciliation.

Provenance

Migrated from microsoft/BCAppsTriage's plugins/triage/skills/triage/references/area-knowledge/finance.md (section: "Chart of Accounts & G/L Posting") on 2026-04-21. To be refined in Phase 2 from D:\Repos\NAV\App\Layers\W1\BaseApp\Finance\.