He is expecting to get 27 to 33 months behind bars.
In papers filed Monday, prosecutors said Kerik's lawyers want him to remain free until a federal prison is designated for him.
They also want him to be allowed to surrender voluntarily.
But the prosecution said Kerik should be sent immediately to the Westchester County Jail. Among other reasons, they said he's more likely to flee once he knows for sure he's going to prison.