Federal tax policy in 2026 sits at the center of a long-running fiscal debate. The 2017 Tax Cuts and Jobs Act, often called the TCJA, included a wide range of individual tax provisions that were scheduled to expire at the end of 2026. That looming sunset set up one of the most significant tax fights in years, and the way Congress resolved it continues to shape the policy landscape.
Why 2026 Was a Deadline
When the TCJA was enacted in 2017, many of its individual income tax changes were written to expire after a set number of years, largely for budget reasons. Without action, individual tax rates, the expanded standard deduction, the deduction for qualified business income and other features were set to revert at the end of 2026 to their prior, generally less generous, parameters. That built-in cliff guaranteed a major legislative reckoning.
The One Big Beautiful Bill Act
Rather than allowing the provisions to lapse, Congress passed the One Big Beautiful Bill Act, commonly abbreviated as OBBBA, which was signed into law in 2025. The law addressed the scheduled expiration by making many of the TCJA individual provisions permanent features of the tax code. Income tax rate brackets, the higher standard deduction and the qualified business income deduction were among the elements extended on a permanent basis.
What Became Permanent and What Still Changes
The OBBBA did more than freeze the prior law in place. It adjusted several parameters and set different timelines for different provisions:
- Estate tax exemption: raised to a higher per-person threshold and made permanent.
- Child tax credit: increased above the prior $2,000 per-child level.
- SALT deduction cap: raised well above the earlier $10,000 limit, but on a temporary basis that is scheduled to revert later in the decade.
This mix of permanent and temporary changes means that, even after the major 2026 cliff was addressed, the tax code still contains scheduled adjustments that will require future attention. The SALT cap in particular remains a moving target with its own expiration timeline.
The Cost Debate
Extending expiring tax provisions carries a substantial price tag. Official scorekeepers, including the Congressional Budget Office and the Joint Committee on Taxation, projected that extending the full set of provisions scheduled to expire or shrink would cost several trillion dollars over a ten-year window. Supporters argue that maintaining lower rates supports households and businesses, while critics point to the effect on deficits and the distribution of benefits. This cost-versus-benefit dispute is the core of nearly every federal tax debate.
Implementation Continues
Passing a tax law is only the first step. The Treasury Department and the Internal Revenue Service must issue regulations and guidance to put the statute into practice, clarifying how the new and extended provisions apply to specific situations. As a result, even settled legislation generates a steady stream of administrative activity, and taxpayers and advisers watch that guidance closely.
What Remains Unsettled
Although the OBBBA resolved the immediate 2026 expiration, the broader trajectory of tax policy remains tied to larger political dynamics. Temporary provisions create future cliffs, deficit concerns invite periodic revisiting of revenue choices, and changing economic conditions can prompt new proposals. In other words, the 2026 episode closed one chapter without ending the ongoing conversation about how the federal government raises revenue.
The Bottom Line
The story of tax policy in 2026 is a case study in how Congress handles built-in deadlines. Faced with a scheduled expiration of the TCJA, lawmakers chose to make many provisions permanent through the OBBBA while leaving others on temporary footing. The result is a tax code that is more settled than it was, but still carries future decision points that will keep tax policy firmly on the agenda.