Same-sex married couples can now file jointly in all 50 states. What does this mean for tax credit eligibility? Some married couples will be eligible for a larger EITC benefit, yet others could see a decrease because of “marriage penalties” that exist when the combined tax liability is greater than the sum of individual tax liabilities calculated as separate filings. This blog post by Tax Credits for Working Families explores the issues. The Center for American Progress (CAP) outlines policy proposals that would expand the reach of tax credits to more LGBT couples, helping to reduce poverty rates among LGBT communities.