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Contact Congress about S. 4306: Millionaires Surtax Act

People with income above $1 million, or $2 million for joint filers, would pay a new 10% federal tax on income over that line. Some estates and trusts could also pay it. The change would start after 2026.

Modern Action explains legislation in plain English, helps you choose whether to support, oppose, or ask for changes, and drafts a message tied to the bill, your stance, and the elected officials who can act on it.

Millionaires Surtax Act is a Senate bill in committee. The latest recorded action: Read twice and referred to the Committee on Finance.

Latest action on S. 4306: Read twice and referred to the Committee on Finance.

Who this affects: This bill mainly affects people with income above $1 million, or above $2 million for married couples filing together. It also affects estates and trusts with high income, unless the trust is fully devoted to qualifying charitable purposes. People living abroad and nonresident aliens may face special counting rules if they have income tied to the United States or excluded foreign earned income.

Why this matters: This bill would make very high income more expensive to receive after taxes. It would raise taxes only above the bill's income lines, so people below those levels would not pay the new surtax. The change could bring in more federal money, though the bill does not give an amount. It could also affect how high-income taxpayers plan income, investments, trusts, and charitable giving.

Key provisions in S. 4306

  • Creates a new 10% extra tax on modified adjusted gross income above $2 million for married couples filing together.
  • Sets a $1 million income line for most people who do not file a joint return or qualify as a surviving spouse.
  • Covers individuals, estates, and trusts. Estates and trusts use the current trust tax rule for adjusted gross income.
  • Defines modified adjusted gross income as adjusted gross income minus certain investment interest deductions that were not already counted in adjusted gross income.
  • Exempts charitable trusts if all remaining interests go only to qualifying charitable purposes.

How Modern Action helps you take action on S. 4306

You do not have to start with a blank letter. Modern Action turns the bill, your position, and the relevant congressional context into a message you can edit and send. The goal is to make contacting Congress clear, specific, and useful without forcing you to parse bill text or figure out the right office on your own.

Questions people ask about S. 4306

What is S. 4306?
People with income above $1 million, or $2 million for joint filers, would pay a new 10% federal tax on income over that line. Some estates and trusts could also pay it. The change would start after 2026.
How do I support or oppose S. 4306?
Choose support, oppose, or ask for changes on Modern Action. The action flow drafts the message for you and keeps the wording tied to this bill.
Who should I contact about S. 4306?
Modern Action uses your location to route the action to the congressional offices relevant to the bill and your representation.
Can Modern Action explain S. 4306 before I act?
Yes. Modern Action gives you a plain-English summary, current status, and action context before you send anything.

Keep acting on Modern Action

More ways to act on this issue

Compare the broader issue and related bills without leaving Modern Action.

Related issues

  • Contact your reps on Millionaire Income Surtaxes and Minimum TaxesWhether very high annual incomes should face extra federal taxes, including 30 percent fair-share minimum taxes and 10 percent surtaxes above $1 million or $2 million.

Related bills

  • Take action on H.R. 8294: Millionaires Surtax Act
  • Take action on S. 1243: Paying a Fair Share Act of 2025
  • Take action on H.R. 2534: Paying a Fair Share Act of 2025