Two exempt amounts, and neither one moves with the COLA Benefit checks rose 2.8 percent in January 2026. The earnings test limits standing in front of those checks rose 4.62 percent and 4.83 percent. Two indexing rules sit behind those numbers, and a household that assumes the earnings test limit tracks the COLA will project the wrong figure. The test withholds benefits from people who claim Social Security before full retirement age and keep working. Two exempt amounts apply. For years entirely before the year of full retirement age, the 2026 annual amount is $24,480, and the Social Security Administration states in Exempt Amounts Under the Earnings Test that it will "withhold $1 in benefits for every $2 of earnings in excess of the lower exempt amount." In the calendar year a person reaches full retirement age, the amount is $65,160 and the rate falls to $1 for every $3. Neither figure is a cost-of-living adjustment. Section 203(f)(8)(B) of the Social Security Act ti...
The safe harbor stops one addition to tax, not the tax The phrase "safe harbor" is shorthand. It does not appear in section 6654 of the Internal Revenue Code, and it hides what the provision does. Section 6654(a) directs that where an individual underpays estimated tax, "there shall be added to the tax under chapter 1, the tax under chapter 2, and the tax under chapter 2A for the taxable year an amount determined by applying—(1) the underpayment rate established under section 6621, (2) to the amount of the underpayment, (3) for the period of the underpayment." Everything that follows is machinery for deciding whether an underpayment exists at all. Meeting the test switches off that addition. It does not cancel the tax. A filer can sit inside the estimated tax safe harbor and still owe a five-figure balance on April 15. So the title question has a shape. Paying an amount equal to last year's tax is one of two candidate figures. Whether it suffices depends o...