Artis no longer at Phil Knight U

Via Jeff Goodman:

"Dominic Artis, Brandon Austin and Damyean Dotson are not participating in team activities for the Oregon Ducks, the school announced on Monday.

ESPN reported earlier Monday that Artis, who was set to regain his role as the team's starting point guard, would be leaving the program...

What, if any, restrictions will be in place for schools he cannot transfer to?