The General Rules of Discourse is the main document which is the core of the Rules of Discourse. It is the first document to be taken into account after the Introduction to the Rules of Discourse (which is the official navigational guide to the Rules of Discourse).
The archival directory of the main document is at the URL: http://files.virtualstoa.org/rules-of-discourse/grd/
So far, no benchmark version of the main document has been released.
The Current Draft of the General Rules of Discourse is also visible to the general public.