Every year at this time in the United States and elsewhere, thoughts start to turn toward tax preparation. Of course it’s generally too late to make significant changes that will affect my tax bill. This year though, my marriage, which took place in California in 2008, has given me tax benefits in Illinois, my home state. If fact, several states and locations, and even businesses, are making it possible for legally recognized gay and lesbian couples to receive benefits generally denied by the federal Defense of Marriage Act (DOMA).

CNNMoney asked tax preparer H&R Block to run a variety of scenarios comparing tax liabilities of same-sex and opposite-sex families for our story about gay marriage and taxes. CNN Money reprint

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