How can I select a previous batch or create a new batch when making invoices in BUSY?

Step 1 : Navigate to the specific inventory item for which you want to enable batch tracking and update batch details. You can do this by accessing the item list or inventory management section 
Step 2 : In the item details or editing screen, there should be an option to enable batch-wise details specifically for that item. Enable this option for the item you're working with. 
Step 3 : If the item has an expiry date, enter this information in the appropriate field. This is crucial for items with limited shelf life or perishable goods. 
Step 4 : After enabling batch-wise details and setting the expiry date, save the changes to the item details. 
Step 8 : While creating a sales transaction (e.g., a sales invoice), select the item that you previously configured with batch details. 
Step 9 : In the sales transaction, you will have the option to specify the batch details for the item being sold. Enter the relevant batch number and expiry date for the item in this transaction.
 Step 10: While creating a purchase transaction (e.g., a purchase invoice), select the item that you previously configured with batch details. Step 11 : In the purchase transaction, specify the batch details for the item being purchased. Enter the relevant batch number and expiry date for the item in this transaction.