Updated March 18, 2026, 10:58 a.m. ET
As tax season progresses, millions of people are encountering an important new form, Schedule 1-A, which they need to complete in order to take advantage of new and generous tax breaks on their 2025 federal income tax returns.
If you don’t submit this form along with your tax return, you will miss out on the benefits of the recently enacted One Big Beautiful Bill Act. It’s essential to submit the correct documentation; otherwise, you won’t qualify for any relief.
What is Schedule 1-A? Who needs to file it?
Schedule 1-A is a two-page federal tax form that needs to be filled out properly to claim four new deductions available to qualifying taxpayers. It doesn’t matter if you itemize deductions, like mortgage interest, or choose the standard deduction—these deductions are accessible to everyone who qualifies.
Interestingly, most taxpayers opt for the standard deduction. So it’s good to know that you can still benefit from these new deductions. You can claim them for things like new car loans, overtime pay, tip income, and bonus deductions for individuals aged 65 and older.
Understanding Tips and Overtime Deductions
Tom Oseven, who is involved with tax content and government relations at the National Association of Tax Professionals, mentions that while the new deduction appears straightforward, there’s more to Schedule 1-A than merely replicating figures from your W-2. Taxpayers should take note that the IRS specifies that overtime credits can only be claimed on the ‘half’ portion of pay, which might not always be reflected on your W-2.
If you don’t pay close attention, Oseven warns, you risk over-reporting your eligible overtime by claiming the total amount instead of just the qualifying portion. It’s crucial to remember that tax credits for overtime are generally applicable only for hours worked beyond 40 hours in a week, compensating those additional hours at a rate of 1.5.
The annual limit for overtime deductions stands at $12,500 for individuals and $25,000 for married couples filing jointly; those filing separately won’t qualify.
Also, be aware that specific income thresholds and conditions apply to all four tax deductions in place for 2025 and beyond, extending through 2028.
Claiming Deductions for New Car Loan Interest
To take advantage of the auto loan deduction for your 2025 return, you’ll need to include the vehicle identification number of the car in question. Remember, the deduction applies only to loans for new vehicles assembled in the U.S., not for used cars or vehicles made elsewhere.
Enhanced Deductions for Seniors
For adults aged 65 and older, there is an “Enhanced Elderly Deduction” option available on Schedule 1-A. Importantly, you don’t have to be collecting Social Security benefits to qualify, but you must have been born before January 2, 1961. If you fill out Schedule 1-A, eligible seniors can claim an additional $6,000 deduction, although this starts phasing out for those with modified adjusted gross incomes over $75,000 for singles and $150,000 for couples filing jointly.
It’s worth noting that this phase-out can affect your deduction more quickly than you might expect.
The deductions introduced by the One Big Beautiful Bill Act are categorized as “sub-maximum deductions,” which means they reduce your taxable income but do not lower your adjusted gross income.
Finding IRS Instructions for Schedule 1-A
On March 2, the IRS provided detailed information regarding Schedule 1-A. This includes a step-by-step overview that is part of the overall instructions for Form 1040.
As of March 8, the U.S. Treasury Department indicated that nearly 45% of the 63.5 million processed tax returns claimed at least one of the new deductions. Notably, more than 15.5 million returns included claims for overtime pay, while over 9.2 million applications were submitted to expand the elderly deduction. Additionally, about 3.5 million returns asked for credit related to tips, and more than 690,000 returns sought deductions for auto loan interest on new cars assembled in the U.S.
