[Grange] The punishments for cap circumvention, it has been pointed out to me, are jointly negotiated by the NBA and the NBPA and written into the league’s collective bargaining agreement. Nowhere in that language does it say a player can be suspended for participating in cap circumvention.
Source: https://www.sportsnet.ca/nba/article/grange-clues-suggest-kawhi-leonard-will-end-up-with-raptors/