Is ASL mandatory for sharing order forecast of Buy Items with Suppliers?

Summary:

Is ASL mandatory for sharing order forecast of Buy Items with Suppliers?

Content (required):

We know that an Approved Supplier List(ASL) is mandatory for sharing the order forecast of Make items. Is it true for Buy items as well?

Please confirm.

Version (include the version you are using, if applicable):

22C

Code Snippet (add any code snippets that support your topic, if applicable):

NA