Field dependency analysis doesn't work with context variable using the : notation

Create The following Validation Rule (Filter batch/lot costing level for standard costing method):
(AD_Ref_List.Value <> 'B' OR '@CostingMethod:-@' <> 'S').

Assigned the validation rule to M_Product_Category_Acct.CostingLevel.

Edit the accounting record for any product category, note that the costing level list doesn't auto refresh after you have selected standard costing method.