Co‑products and By‑products > Setting Up a Co/By-product Operation > Setting Up Alternate Base Processes
  
Setting Up Alternate Base Processes
An item can be a co-product or by-product of more than one base process. The base process for that item is its BOM/Formula code defined in Item Master Maintenance (1.4.1) or Item-Site Planning Maintenance (1.4.17).
Set up alternate base processes using Alternate Structure Maintenance (13.15).
Item Number
Enter the co-product item number.
BOM/Formula
Enter the base process item number.