To access Item Revaluation Journal, click Warehouse --> Inventory --> Revaluation Journal.
Before you can post Revaluation Journal, you must run Adjust Cost. After you post Revaluation Journal, you need to run Adjust Cost to correct the value. After Adjust Cost, new value entries will be created to adjust the posted item cost. The Item cost will only be adjusted if the following conditiones are met:
1) Entry No. > Revaluation Entry No.
2) Posting Date > Revaluation Date