If you use batch or serial numbers in Sage 200 Wholesale and Retail, they will be used as part of either the stock allocation or stock despatch process.
The way that the Wholesale and Retail module handles this is dependant on the settings in your Stock Control module.
In the Maintain Stock Settings window, select whether you want to allocate the batch or serial numbers when allocating stock or despatching stock.
For more information about batch and serial numbers, please refer to the Stock Control help.