For same-sex couples living in states that do not recognize same-sex marriage, filing taxes can get very complicated:
Full Article from the AP
"It gets complicated because most state income tax returns use information from a taxpayer's federal return.
Straight couples simply copy numbers from one form to another. But that doesn't work for same-sex couples reporting combined incomes, deductions and exemptions on their federal tax returns. These couples must untangle their finances on their state returns, where they are still considered single."
If you filed taxes in CA, NV, OR or Washington states and are (or were
after 2010) Registered Domestic Partners, try our calculator to see if you may
be eligible for an IRS refund http://www.lgbt.tax/Calculator