Options to update / route requisition lines to alternate Procurement BU

Summary:

Need the ability to update or route requisition lines to an alternate Procurement BU.

Content (required):

Configuring regional and global Procurement Shared Service Centers which will process requisitions for certain categories from country-specific Req BUs which also are their own Proc BUs and covering the rest.

In case of capacity problems or other reasons when it make sense to process a requisition in an alternate SCC or country-specific Proc BU, what options exist, if any?

(in addition of just provisioning access everywhere, of course)

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

21C

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