Taken from iomtt.com Regulations -

http://www.iomtt.com/~/media/Files/2015/...-14-04.pdf

25. TT PRIVATEERS CUP CHAMPIONSHIP
The TT Privateer Championship allows solo teams and solo riders of independent status to compete with recognition at the highest level in the world’s
premier closed public roads motorcycle race.
Application for entry must be made to the Promoters who will consider each application individually on its own merits using the following criteria:
1. Declaration by the team of no direct manufacturer assistance
2. The known ability of the rider
3. The motorcycle
4. The team operation, resources and structure
5. Other promotable elements e.g. media support
The Promoter will be the final arbiter regarding rider eligibility and acceptance. Points will be awarded to the first fifteen eligible finishers in the
Superbike, Superstock, Supersport and the Senior TT Races using a world championship points scoring system.