P4 Warehouse Reason Codes
Reason Codes are for different types of adjustments. When setting up reason codes, it is important to include the different situations that will occur in your warehouse.

Reason Codes will allow you to track the different reasons why inventory is adjusted, allowing you to develop a plan to resolve the reasons.
It is especially important that reason codes are set up to allow tracking of the reasons why adjustments are made. All adjustments affect a company's bottom line.