How to Implement “Sell-by Days” in Oracle Fusion Planning

Our business has a requirement that is similar to SAP’s Sell-by Days functionality. Specifically:

• For all materials we sell to external customers, once the inventory is within 180 days of expiration, it should no longer be included in MRP / Supply Planning.
• However, the inventory should still remain available to sell and ship to customers.
• The goal is to ensure that Planners build additional inventory to replace aging stock, but Sales can still fulfill orders with the older material.

From what I see, Maturity Days in Fusion only control when a lot becomes usable (start of shelf life), and Expiration Date