The Rules and Regulations for International Cup competition is available for download by authenticated users. This document includes the Grid of Participation (which details the number of athletes each country is eligible to send in each event).
In order to download this document, you must log in to the site with your wbtf.org username and password - all National Representatives have been provided with an account on the site.
September 26, 2009 : An updated Rules & Regulations document has been published.   It is available the WBTF Policies and Procedures Directory