requisitioning inventory items to source to supplier

Summary:

we have locations that woudl like to source directly to supplier for inventory items; how do we achieve this?

Content (required):

There are ship-to/deliver-to locations in our organizations that use inventory items but we would like for the requisitions to source to the supplier instead of the warehouse for these areas since they are off-site. How do we set up so that these areas can order from the main catalog but their orders will source directly to the supplier and the supplier deliver directly to them

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

23C

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