For a married couple to file separately is the most costly and expensive way to file tax-wise, regardless of whatever the reason may be. You both automatically disqualify yourselves for credits and deductions you would otherwise receive if you filed joint. So you need to file joint, and then you can include the injured spouse form with your tax return. That form is included with the TurboTax program under the Other Tax Situations tab.
"Can someone else claim our child? "
***OUR*** child? Or ***HIS*** child from another woman I would assume is the one he owes child support to? Who are the parents of *OUR* child?
