ie Narconon Int : NN INt is paid a % of income by each facility, in what is like a franchise royalty fee for use of the copyrights. Out of that Narconon Int sends up a percentage to ABLE INT, who collects and keeps a share and then send on up RTC share. This goes on for each front group
So, RTC has no direct organizational connection to the front groups, though they certainly have a hand in things where the 'tech' is misused' but even then, orders may come down from there, to ABLE INT who holds the licenses and sub-licenses to, to Narconon Int, WISE Int etc, who manage their sectors and charge the fees.
You can read about each entity discription given to the IRS in 1993 over at xenu-directory
Hope this helps.