Step 1. From the Parts Inventory menu, select Resupply & Returns. The Resupply and Returns menu opens.
Step 2. Under the Resupply column, click Set Supply Parameters. The Resupply Parameters menu opens.
Step 3. Click Subsource Management. The Subsource Settings screen appears.
Step 4. In Subsource, type the three-digit code for the subsource or click the subsource in the list on the right side of the screen. The description for this subsource populates the field next to the code.
Step 5. Edit the information for the subsource as needed.
Step 6. Click Save.