[#Field: VCH Batch Rate]
Add : Option : LearnwellSell : @@IsSales

[!Field : LearnwellSell]
Validate : ($$IsEmpty:$$Value OR $$Value >= $Standardprice:StockItem:$StockItemName)

[#Field: VCH Rate]
Add : Option : VCH Sales Rate : @@IsSales

[!Field : VCH Sales Rate]
Validate : ($$IsEmpty:$$Value OR $$Value >= $Standardprice:StockItem:$StockItemName)