The state and local tax deduction can only be taken on the federal income tax return by those who itemize their deductions, which only a minority of filers do.
Mandatory Credit:	Lisa J. Goodman/Moment Mobile RF/Getty Images via CNN Newsource

The state and local tax deduction can only be taken on the federal income tax return by those who itemize their deductions, which only a minority of filers do.
Mandatory Credit: Lisa J. Goodman/Moment Mobile RF/Getty Images via CNN Newsource

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Who benefits most from the state and local tax deduction and why raising the cap is contentious

Increasing the $10,000 cap on the state and local tax deduction could benefit millions of tax filers.