WDC has adopted the NDCA (National Dance Council of America) Pro Am rules as their ruleset for the governance of Pro-Am since July 2016
See the Rules as a PDF Download here
Furthermore WDC requires all Pro-Am Competitors to be correctly licensed with the WDC for any WDC Pro-Am Granted Title or WDC Pro-Am Championship.
For Teachers either they must hold a valid WDC Professional Competitors License or need to apply for a WDC Pro-Am Teacher License with the WDC member country they reside in.
The Amateur Part of the partnership must apply for a WDC Pro-Am Competitors license in the same manner.