Bahrain Motor Federation gets until June 3rd to decide on its race.
Seats at Red Bull and Ferrari potentially up for grabs in 2011.
Force India will bring a new front wing to Turkey as the team bid to stay in the hunt for points.
HRT have set their sights on beating rivals Virgin in Turkey with a new upgrade package.
In the round-up: Mark Webber and Jaime Alguersuari appear in front of 40,000 spectators.