House Bill 907 makes a number of changes to the way child support is calculated in Florida. These changes apply to child support orders and income deduction orders effective on or after October 1, 2010.

The most significant statutory change is the reduction of the threshold for "substantial timesharing" from 40% to 20%. This means a parent needs only 20% of the overnights, 73 overnights per year, to qualify for implementation of what is generally an adjustment down of child support obligation.

Another significant change to the statute aims to reduce the amount of modifications to child support that courts will see, and requires that child support terminate on a child's eighteenth birthday (unless Florida Statute 743.07 (2) applies.) The statute now mandates that child support orders provide a schedule stating the amount of support owed for each child, the month, day, and year that support for each child ends, and the amount of child support owed for any remaining children after each child's support ends.