He felt he was entitled because of the order from 2013. are you saying the courts granted him the right to claim the kids. if so, you were supposed to provide him with form 8332. the local courts have no control over the tax laws. under the tax laws with the 8332 he could claim the dependency deduction through 2017 (it ended in 2018) and the child tax credit. under the tax laws, he could not claim any of the following because he's not the custodial parent.
under the tax laws you would be entitled to the child and dependent care credit, earned income credit, head of household filing status (see note), income exclusion of employe-provided dependent care assistance
note: for you to claim head of household you had to pay more than half the costs of keeping up the home lived in for more than 6 months by your qualifying child. if you did not pay more than 1/2 the costs you would need to file as single. (your ex is subject to the same rule so since the child apparently didn't live with him, he can't file as HOH)
so exactly what did the judge order you to change and what year(s)?
