Item cost adjustments ( Need to run this before revaluation Journal)
- Inventory Setup to automatically adjust item cost

Inventory Setup Analysis & Recommendations:
Automatic Cost Adjustment → "Always" or "Day/Week/Month"
Cost Adjustment Logging → All
✅ Settings
Setting | Current | Status |
Automatic Cost Posting | ON | ✅ Good — GL stays in sync with inventory |
Default Costing Method | FIFO | ✅ Appropriate for most businesses |
Location Mandatory | ON | ✅ Good — enforces location on all transactions |
Allow Inventory Adjustment | ON | ✅ Required for cost adjustments to work |
Prevent Negative Inventory | OFF | ⚠️ Consider enabling if stock accuracy is critical |
- Monthly manual process to update item costs (Good Practice)

Correct Item Costs in Business Central (BC) via Item Revaluation Journal
You have item cost on your item card, and you need to update the cost using revaluation journal is general practice.
Steps
- Search for Item Revaluation Journals
- Check on Calculate inventory Value.

- Pop up to continue the Revaluation Journals.

- Update the document date and select the calculate per

1. Item Ledger Entry
This calculates inventory value at the individual transaction level.
Use when:
- You need a detailed, granular revaluation — each ledger entry gets its own revaluation line
- Items use FIFO, LIFO, or Specific costing methods (where individual lots/layers matter)
- You want to revalue specific receipts or batches selectively
- Auditors require entry-level traceability
- You're correcting costs on specific past transactions
Note: Produces more lines in the revaluation journal — one per ILE
2. Item
This calculates inventory value at the item summary level (net quantity × cost).
Use when:
- Items use the Average costing method (average cost is calculated across all entries anyway)
- You want a quick overall revaluation for the whole item stock
- You're doing a standard cost update (toggle "Update Standard Cost" is ON)
- You need fewer journal lines and a cleaner, summarized journal
- Performing period-end inventory adjustments broadly
Note: Produces fewer lines — one per item (or per item/location/variant combination)
Quick Decision Guide
Scenario | Use |
FIFO / LIFO / Specific costing | Item Ledger Entry |
Average costing | Item |
Standard cost rollup | Item |
Revalue a specific receipt | Item Ledger Entry |
Period-end bulk revaluation | Item |
Full audit trail needed | Item Ledger Entry |