Use lot control to break a product's inventory into groups with an assigned lot number and received date. This ensures items with a short shelf life (ex. chemicals) or an expiration date, or those products requiring date tracking (ex. wire) may be traced to a group of origin.
When a lot item is added to a sales order, you can choose which lot to sell it from, which allows you to sell the oldest merchandise first.
To use lots to manage inventory, you need to