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Revises the tax code's test that limits how much business interest expense can be deducted by changing the definition of "adjusted taxable income" back to its prior form. The change undoes a recent amendment and applies to taxable years beginning after December 31, 2025, which will affect how businesses calculate allowable interest deductions on future tax returns.
The bill trades increased clarity and reduced long‑run compliance complexity by restoring earlier 163(j) text against the risk that some businesses will pay higher taxes and face near‑term transitional costs implementing the change.
Businesses and other taxpayers subject to section 163(j) will have clearer, more predictable interest-deduction rules if the bill restores the prior definition of adjusted taxable income, which may in some cases allow more favorable deductions.
The IRS and taxpayers could face lower ongoing compliance and interpretation burdens because the bill reverts to earlier statutory text the IRS and taxpayers already implemented before Pub. L. 119–21, reducing transitional complexity in the long run.
Some taxpayers (certain businesses) may face higher federal tax liabilities if the restored definition narrows allowable interest deductions compared with the current rule under Pub. L. 119–21.
Businesses, financial institutions, and the IRS will incur transitional compliance and implementation costs (system changes, tax planning, and filing adjustments) for taxable years beginning after Dec 31, 2025.
Introduced March 26, 2026 by Ron Estes · Last progress March 26, 2026