Available in Sage Simply Accounting - Enterprise Edition and higher.
Before you can perform this task
You must be using First In, First Out (FIFO) inventory costing.
If you turn serialized inventory off in your company settings, it will turn the feature off for all of your inventory items, and all serial numbers that have been entered will be removed.
Once an item with a serial number is used in a transaction, you cannot turn off serialized inventory.
Turn on serialization for an inventory item
Set up printed invoices to include serial numbers
Set up packing slips to include serial numbers