19.1. Voting rights
Voting rights are only available to people that have designed or built a dedicated F12 catamaran.
The rules are fine. Only one small detail: to avoid an apparent contradiction and to agree with the rest of the paragraph, the quoted sentence should be modified to include those who own an F12:
19.1. Voting rights
Voting rights are only available to people that have
designed, built or currently own a dedicated F12 catamaran.