Based on the discussion on the 7/13/2020 call, we are moving forward with the RESTful Task based approach described in Vassil's attached document.   We will include both approaches that include an intermediary (RESTful on both sides of the intermediary and mixed mode with ordering provider to intermediary base on the RESTFul Task exchange and supporting Messaging on the Intermediary to Supplier (plus other methods) Based on discussion on 7/20/2020 call , will support both RESTful Task based approach and messaging in this version of the IG