The IRS Applies "Income-Splitting" to California's Registered Domestic Partners and Same-Sex Spouses (and Now RDPs in Washington and Nevada, too!)

Please take note:  On June 26, 2013, the U.S. Supreme Court ruled the so-called Defense of Marriage Act (DOMA) unconstitutional.  For information about how this development may potentially affect married same-sex couples' federal taxes, click here.  In addition, please check this page for future updates to our fact sheet on income-splitting for same-sex couples, which does not yet take into account this new development.