Link to announcement.
"Due to the high number of attendees anticipated at this weekend's event and in order to ensure a quality experience for all players, registration for Grand Prix Las Vegas will close on Friday night at 8 p.m. There will be no registration for Grand Prix Las Vegas on the morning of Saturday, June 22, as previously announced.
This will allow the tournament to start as close to the announced start time as possible while accommodating all players in the event. Preregistration for Grand Prix Las Vegas will remain open until 9 p.m. PT on Thursday, June 20, at the Cascade Games website. Players are highly encouraged to take advantage of online preregistration."
"Due to the high number of attendees anticipated at this weekend's event and in order to ensure a quality experience for all players, registration for Grand Prix Las Vegas will close on Friday night at 8 p.m. There will be no registration for Grand Prix Las Vegas on the morning of Saturday, June 22, as previously announced.
This will allow the tournament to start as close to the announced start time as possible while accommodating all players in the event. Preregistration for Grand Prix Las Vegas will remain open until 9 p.m. PT on Thursday, June 20, at the Cascade Games website. Players are highly encouraged to take advantage of online preregistration."