U.S. and its banks called "biggest tax haven" in world

IRS can't verify $6.8 billion in energy tax credits claimed by home owners

Stimulus recipients who got $24 billion owe $750 million in taxes

US banks say they shouldn't have to report foreign deposits

The Internal Revenue Service isn’t doing enough to police incomplete disclosures filed by so-called 527 political groups, which means the go

Electronic filing of tax returns could save the Internal Revenue Service millions of dollars. The IRS currently spends $3.29 to process each

A quarter of earned income tax credit payments are improper, amounting to $11 billion to $13 billion in 2009, the Internal Revenue Service r

The IRS allowed $33 million in erroneous tax credits for alternative-fuel motor vehicles last year. A review by the Treasury inspector gene

The Internal Revenue Services needs to strengthen its review of tax refunds to nonresident aliens before they are sent out of the country, a

The “Making Work Pay” tax credit, which increased take—home pay for workers, may result in 13.4 million people actually owing the government