The provision tucked into the “Big Beautiful Bill” limits tax deductions for gambling losses, while still requiring professional bettors to pay income tax on all their winnings, according to published reports. Professional gamblers, like the poker players you see on TV, had been allowed to deduct all of their losses from their declared income.

We explain how Trump’s Big Beautiful Bill limits gambling loss deductions to 90%, sparking concern among gamblers and tax experts.

An amendment to the bill which passed the Senate on Tuesday could drastically reduce the ability of gamblers to turn a profit.