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The federal safe harbor for estimated tax in 2025, including rules for high-income filers and the 110% prior-year safe harbor percentage.
For taxpayers seeking to avoid IRS underpayment penalties, the prior-year “safe harbor” generally lets a filer pay 100% of last year’s tax to be protected, but that prior-year floor is raised to 110% ...
The 2025 federal safe-harbor thresholds that protect individuals from underpayment penalties are straightforward: pay at least 90% of the current year’s tax liability or meet the prior-year safe harbo...
Farmers and fishermen who derive at least two‑thirds of their gross income from farming or fishing have special estimated‑tax rules for 2025: instead of quarterly payments they generally make a single...
Form 2210’s annualized income installment method lets taxpayers with uneven or seasonal income refigure required estimated tax installments so penalties for underpaying are reduced or eliminated when ...
For 2025 the federal “safe harbor” for estimated tax remains a two-path system: pay either 90% of current-year tax or the prior-year safe harbor, which is generally 100% of the prior year’s tax but ri...