The IRS is not going away, and no current proposal would eliminate it entirely
The Internal Revenue Service exists because the federal government needs to collect income tax, and that tax is written into the Constitution. Shutting down the IRS would require repealing the 16th Amendment, which has never happened to any amendment and would need approval from two-thirds of both houses of Congress plus three-fourths of all state legislatures. No serious proposal to do this has gained traction in decades.
What does change is how the IRS operates, how much money Congress gives it to run, and what tax system Congress writes into law. Those things shift with elections and political priorities. But the agency itself — the machinery that processes returns, collects taxes, and enforces tax law — remains a permanent part of how the federal government functions.
Key Takeaways
- Eliminating the IRS would require repealing the 16th Amendment, a process that has never succeeded for any amendment and would take approval from 38 states.
- Congress controls the IRS budget and can reduce its funding, which has happened repeatedly and affects how quickly the agency processes returns and handles disputes.
- Proposals to replace income tax with a national sales tax or flat tax would still require an agency to collect and enforce whatever tax system Congress creates.
- The IRS has been reformed many times — its structure, enforcement priorities, and procedures change — but the core function of collecting federal tax revenue remains constant.
Why the IRS cannot simply be abolished
The federal government's power to collect income tax comes directly from the 16th Amendment, ratified in 1913. That amendment says Congress has the power to "collect taxes on incomes, from whatever source derived, without apportionment among the several States." Removing that power would require repealing the amendment itself.
Amendment repeal requires a two-thirds vote in both the House and Senate, then ratification by three-fourths of state legislatures (38 states). No amendment has ever been repealed in U.S. history. The 18th Amendment (Prohibition) came closest — it was repealed by the 21st Amendment in 1933 — but that took a national consensus that the law was unworkable. No comparable consensus exists around eliminating federal income tax.
Without the 16th Amendment, Congress would lose its primary source of revenue. The federal government would have to fund itself through tariffs, excise taxes, and borrowing alone, which would be structurally impossible at current spending levels. That is why even politicians who criticize the IRS do not seriously propose abolishing it.
What actually changes: budget cuts and restructuring
The IRS does not have a fixed budget. Congress decides each year how much money to give the agency, and that amount has fluctuated significantly. From 2010 to 2017, the IRS budget fell by roughly 20 percent in real dollars, which meant fewer staff, slower processing of returns, and longer wait times on the phone line.
When Congress cuts the IRS budget, the agency still exists and still collects taxes — it just does so with fewer people and less capacity. Returns take longer to process. Audits happen less frequently. The agency cannot answer as many phone calls. But the fundamental work continues because the tax code still requires it.
Congress has also restructured the IRS multiple times. The agency was reorganized in 1998 after a high-profile scandal. Its enforcement divisions have been expanded and contracted. Its technology systems have been upgraded (sometimes poorly). These changes affect how the IRS operates but do not change the fact that it exists.
Proposals to replace income tax with something else
Some politicians propose replacing the income tax with a national sales tax, a flat tax, or a consumption tax. These are real policy ideas with real supporters. But none of them eliminate the need for a tax collection agency — they just change what that agency collects.
A national sales tax would still require an agency to track sales, audit businesses, and enforce compliance. A flat tax would still require an agency to process returns and verify income. The IRS might be renamed, restructured, or given different rules, but the core function — collecting federal revenue and enforcing tax law — would remain.
These proposals also face major obstacles. They would require Congress to pass new tax legislation and likely a constitutional amendment. They would shift the tax burden in ways that benefit some groups and harm others, creating political opposition. None has come close to passage in recent decades.
What happens if you owe taxes while the IRS exists
The IRS's continued existence means that tax obligations remain enforceable. If you owe back taxes, the IRS can place a lien on your property, garnish your wages, or seize assets. These powers do not disappear because people dislike the agency.
If you cannot pay what you owe, the IRS offers payment plans, offers in compromise (settling for less than you owe), and hardship relief. These programs exist because the agency has the authority to collect taxes and the flexibility to work with people who cannot pay in full immediately.
How the IRS has changed over time
The IRS was created in 1862 as the Bureau of Internal Revenue to fund the Civil War. It has been reformed, reorganized, and rewritten dozens of times since then. Its structure, enforcement approach, and relationship with taxpayers have shifted with each administration and Congress.
In the 1980s and 1990s, the IRS was known for aggressive enforcement. In the 2000s, it shifted toward customer service. In recent years, budget cuts have reduced both enforcement and service capacity. These changes reflect political priorities, not the agency's existence or non-existence.
The IRS also adapts to new forms of income and new technology. It now handles cryptocurrency reporting, gig economy income, and digital payments. These changes show an agency that evolves, not one that is disappearing.
Frequently Asked Questions
Could Congress just decide to stop collecting income tax?
Congress could pass a law eliminating income tax, but it would need to replace that revenue with something else or accept massive cuts to federal spending. The 16th Amendment would still exist, so Congress could reinstate income tax later. No Congress has done this because the political and fiscal consequences would be severe.
What if a new president tries to shut down the IRS?
The president cannot shut down the IRS without Congress. The agency exists because Congress created it and funds it through appropriations. A president can direct the IRS to change how it enforces the law or what it prioritizes, but cannot eliminate it unilaterally.
If the IRS is underfunded, does that mean it will eventually disappear?
No. An underfunded IRS still collects taxes and enforces the tax code — it just does so less effectively. Reduced funding means slower processing and fewer audits, not the agency's disappearance. The IRS would need to be explicitly abolished by law, which requires the constitutional amendment process.
Could the IRS be replaced by a private company?
No. Tax collection is a government function tied to federal law and constitutional authority. Private companies can be hired to handle specific tasks like processing returns or running call centers, but they cannot replace the IRS's legal authority to assess and collect taxes.