Jay Manley shows off RMA Sales Order Consolidate in GP 2013
Feature When Pam or Jay Reveals It: RMA Sales Order Consolidate – Inside Microsoft Dynamics GP – Site Home – MSDN Blogs
Sales, Purchasing & InventoryGP 2013
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.