Taxpayers Navigate State Non-Conformity to Federal Tip and Overtime Deductions Amidst Filing Rush

As the federal and most state tax-filing deadlines approached on Wednesday, millions of Americans encountered a significant divergence in tax policy: new federal income tax deductions for tips and overtime wages, enacted by President Donald Trump, are largely not being mirrored by individual states. This discrepancy means that while taxpayers may claim these new breaks on their federal returns, they could still owe state taxes on the same earnings, adding a layer of complexity for workers and businesses alike. The federal deductions stem from a broad tax and spending package signed into law by President Trump in July 2025. Known as the "One Big Beautiful Bill Act" (or the "Working Families Tax Cut Act"), the legislation reduced taxes by an estimated $4.5 trillion over 10 years, with the tip and overtime provisions accounting for approximately $121 billion of that total. These deductions became effective for tax year 2025 and are available retroactively, but are currently set to expire after 2028. Under the new federal rules, eligible taxpayers can deduct up to $25,000 in tipped income from their taxable income each year. For overtime, the deduction applies to the first $12,500 of additional pay above the base hourly rate for single taxpayers, and $25,000 for married couples filing jointly. Both are “above-the-line” deductions, meaning they are available whether a taxpayer claims the standard deduction or itemizes. However, these deductions do phase out at a 10 percent rate for single taxpayers with a modified adjusted gross income exceeding $150,000, and for married couples filing jointly with an income over $300,000. The primary challenge for taxpayers, particularly those employed by small and mid-sized businesses in the service and hospitality sectors, arises from state-level non-conformity. While most states use figures from the federal tax form as a starting point for their own tax calculations, it is ultimately up to each state to decide whether to adopt federal tax changes. The vast majority have chosen not to, meaning that only about a half-dozen states are currently mirroring the federal law by offering similar tax breaks on tips and overtime wages. This creates a scenario where workers who legitimately claim federal deductions for these earnings may still find themselves liable for state income taxes on the very same amounts. For instance, South Carolina's Republican-led Legislature attempted to opt into the federal deductions, extending its tax refund filing deadline to October 15 to allow time for the measure. However, legislation passed by the House was ultimately defeated in the state Senate, leaving tipped and overtime workers in South Carolina without the state-level benefit. Arizona is another state where the possibility of enacting a conforming law, even retroactively, remains open, but as of the filing deadline, no such action had been finalized. Eight states currently levy no income tax on wages and salaries—Alaska, Florida, New Hampshire, Nevada, South Dakota, Tennessee, Texas, and Wyoming—thus largely sidestepping this particular issue. Washington state taxes capital gains but not wages, while Missouri taxes wages but not capital gains. For residents in the remaining 41 states that tax wages and salaries, understanding their state's specific stance on these new federal deductions is critical to avoid errors or unexpected tax liabilities. Further complicating matters, the new federal law does not explicitly address whether independent contractors or gig workers qualify for the overtime deduction. The Internal Revenue Service (IRS) is still expected to provide final regulations and guidance on this and other details, which could clarify eligibility for a significant portion of the modern workforce. For small and mid-sized businesses, particularly those with a large contingent of tipped employees or staff who regularly work overtime, this federal-state tax divergence presents a notable operational challenge. Employers may find their employees confused by the disparity, leading to questions about payroll withholding, year-end tax planning, and overall compensation expectations. Navigating these complexities requires a deep understanding of both federal and state tax codes, which can be a significant burden for companies without dedicated in-house tax expertise. The non-conformity underscores the need for meticulous record-keeping and proactive communication with employees regarding their state tax obligations. In our experience, the enthusiasm for new federal tax breaks often overshadows the intricate, state-specific realities that small and mid-sized businesses and their employees face. While the federal deductions for tips and overtime are certainly welcome news for many, the patchwork of state responses creates an immediate need for careful planning. We've seen clients struggle to reconcile federal benefits with state liabilities, leading to potential underpayment or overpayment of taxes if not managed correctly. It’s not enough to simply claim the federal deduction; understanding if, and how, your state conforms is paramount. This is precisely the kind of nuanced situation where expert guidance in tax preparation and compliance can make a substantial difference, ensuring businesses and their employees remain compliant and optimize their tax positions. Businesses needing assistance with these complex federal and state tax requirements are encouraged to contact C&S Finance Group LLC at csfinancegroup.com to navigate these new regulations effectively. Looking ahead, taxpayers and businesses should remain vigilant for further guidance from the IRS regarding the application of these deductions, especially concerning contractors. Additionally, state legislatures may revisit their positions on conforming to the federal changes in future sessions, potentially altering the current landscape. The deductions' scheduled expiration after 2028 also means that Congress will eventually need to decide whether to extend, modify, or allow these provisions to lapse.