You can file a Motion for an Audit of your case in what you have paid out if the Judge finds you over paid and no back child support is owed and you keep your child support current you can either request credit for the overpayment or you could get the monies back just depends … Read more

If the children are living with her for six months or the full year then yes the step father can claim the children on his income taxes. If the children live with them for the whole year regardless if she doesn't work her New Husband can legally claim them.