We detail some of the most popular federal tax credits below. Most of these tax credits include an income phaseout, which means that people above a certain income level will get a partial credit and those above another level won’t qualify for the credit at all. Be sure to check with the IRS or your tax preparer to see if you qualify based on your adjusted gross income . Also, most reputable tax software products will check to see if you qualify for these tax credits.Partially refundable tax credits: With pa ...