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Then, when creating a particular item which you purchase or produce in batches, open the Warehouses > Master Data > Items form, select the particular item, and on the Accounting Parameters tab, select the Use Batches option for the item. Then, you can specify batch number in each document where the item will be listed.
Note. You must enable this functionality if you cell products through consignees or perform consignment sales, stock products at contract warehouses, or receive products to your warehouses on contract basis, issue products for processing by subcontractors.
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Generally, you can define (create) batches for items on receiving these items to warehouses, that is in Invoices Received, Goods Receipt Notes, Productions; also, when entering their beginning balances.
To add a batch, click in the Batch column on the Inventory tab of the document form, then click the Add ( 
) button to the right in the drop-down list of batches. The Item Batch (create) dialog box opens.
The Item Batch (create) dialog box
In the Description field, type a batch name.
Note. It is recommended that you set up certain rules for naming item batches. For example, for items to be used as the entity's own inventory, names can be based on the dates of the batch origin and expiration as "101021-100622" or "OD101021-ED100622". Such batch numbers in selection drop-down lists would help users view which batches have earlier expiration dates when picking the particular units for sale. Consider creating a rule for setting the date of origin - it could be the date of purchase or the date of manufacturing by the product's manufacturer – this date will be used for product batch aging.
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This opens the following dialog box (the same for all types of documents).
The Item Batches (selection) dialog box
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You can select any options to view the corresponding information in the report.
The Stock Aging report (default variant)
The Stock Balance (by Item) report shows the item available quantities on the specified date. The quantities of items with batch tracking are listed by batch.
The list of items including items with batches available in warehouses
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