The IRS has announced a reduction in interest rates for tax overpayments and underpayments for the first quarter of 2025.
Corporate taxpayers will see their overpayment rate set at 6 percent, while the portion of corporate overpayments exceeding $10,000 will accrue interest at 4.5 percent. The rate for large corporate underpayments will be 9 percent.
For taxpayers other than corporations, the overpayment and underpayment interest rate is the short-term AFR plus 3 percentage points. For corporations, the underpayment rate is the short-term AFR plus 3 percentage points, while the overpayment rate is the short-term AFR plus 2 percentage points. For large corporate underpayments, the rate increases to the short-term AFR plus 5 percentage points. On corporate overpayments exceeding $10,000, the rate is the short-term AFR plus 0.5 percentage points.
Employees in 401(k), 403(b), and 457 plans and the Thrift Savings Plan can now contribute up to $23,500, up from $23,000 in 2024. The catch-up limit for those aged 50 and older remains at $7,500, allowing total contributions of $31,000. Workers aged 60 to 63 benefit from a higher catch-up limit of $11,250.
For individual retirement accounts (IRAs), the base contribution limit stays at $7,000, with a $1,000 catch-up limit for those aged 50 and older, totaling $8,000. However, income phase-out ranges for IRA deductions and Roth IRA eligibility have increased, with Roth IRA income limits now at $150,000–$165,000 for single filers and $236,000–$246,000 for joint filers.
SIMPLE account contribution limits rise to $16,500, with a $3,500 catch-up for those aged 50 and above and a higher $5,250 catch-up for workers aged 60 to 63.
Employees can now contribute up to $3,300, up from $3,200 in 2024. Additionally, spouses with separate FSAs can each contribute the full limit. Households will not have to pay tax on those contributions. The maximum carryover for unused FSA funds will rise to $660 in 2025, up from $640.