
Originally Posted by
ScottGem
This issue has been covered here a few times recently. The answer depends on where you live, but generally Support cannot be made retroactive prior to the date the request for support was filed.
There may be some chance for a year or so in back support, but not much more than that.
Mostly like what is being said its going to depend on when the order was made. If your ex was on welfare and they tried to pursue you and couldn't find you it may be possible that it goes back that far. But on the other hand if this is something new being started then that's when it starts.