Moderators inventories should check the expiry date of the product on a monthly basis. If you find a product that's expired. Should inform the person concerned in order to release such a product before the product expires.
Inventory administrator should check the expiration date of the product on a monthly basis. If you find an item that will expire soon, should inform the relevant people to find these items, drain before they expire.
The administrator should check inventory expiration date of goods regularly every month if it is found that there is a line near the end of life, then you should inform the relevant products to find a sink that before the goods will be expired.