Freeze purchasing document for specific duration

Summary:

The procurement system needs to support the management of frozen windows

Content (please ensure you mask any confidential information):

Hi Team,

We have a requirement where required a functionality to freeze the Procurement transaction for the no. of days contractually agreed terms between sourcing and the supplier. We need to prevent changes to the need-by date on purchase orders (POs) within a specified period of time. I.e. if a supplier has a 30 day frozen window contract, there could be no changes to the need by dates within a rolling 30 day window of the need by date. This is to lock in need by dates for the supplier once they reach a certain time window. This requirement ensures compliance with