Adrian Sutil will decide upon which team to race for in 2010 within the next "five to ten days", according to his manager Manfred Zimmermann.
It emerged in Abu Dhabi that Force India has exercised its option on the 26-year-old German to extend the current contract by another season.
But that clause must also be signed off by Sutil, and he has been connected with moves to other teams.
"We have several possibilities," Zimmermann is quoted as saying by the SID news agency.
"Force India is a good option and probably the best one," he added, describing the Silverstone based team's offer as "very interesting".
It is believed Sutil is holding out for a pay-rise, with Zimmerman saying only that "Adrian has developed into an experienced formula one driver".
