This bill matters to voters because it directly impacts the amount of federal income tax many people pay, especially those in states with higher taxes. If this bill passes, many taxpayers in high-tax states could see their federal tax bill go down, as they would be able to deduct a larger portion of their state and local taxes. This could mean more money in their pockets.

If the bill does not pass, the $10,000 cap on state and local tax deductions will remain in place, continuing the current system where some taxpayers cannot fully deduct all the state and local taxes they've paid from their federal income. This proposal is a reversal of a key change made in the 2017 tax law, and its passage would mark a significant shift in federal tax policy that has been a point of contention for years.