Control receipt routing for punchout catalogs using Requisitioning Business unit

Summary:Requisition BU A and B in punchout catalogs should have Direct Delivery and Requisition BU C should have standard delivery Matching for punchout catalogs how can we control it

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Requisition BU A and B in punchout catalogs should have Direct Delivery and Requisition BU C should have standard Receipte Matching for punchout catalogs how can we control it

Im thinking to create two different supplier site and in site assignments I will create for REQ BU A and B and control receipte routing to Direct Delivery another supplier site assignments for REQ C having receipte routing to Standard Receipte