The commission altered the boundaries of 20 of the 55 districts from its proposals in its preliminary report , though many of the changes were minor .
The commission released its final report on February 20 , 2006 .
The commission altered the boundaries of 20 of the 55 districts from commission 's proposals in its preliminary report , though many of the changes were minor .
The commission released its final report on February 20 , 2006 .