Quick Read
Social Security splits a job’s earnings at midnight on January 1, applying separate annual limits regardless of how an employer defines one season.
Before full retirement age, earning above $24,480 in 2026 triggers a $1 benefit withholding for every $2 over the limit, though withheld amounts are credited back at FRA.
The special first-year monthly earnings rule shields only one calendar year, so extending seasonal work into a second year removes that protection entirely.
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One Season in the Mountains, Two on Paper
A 63-year-old ski instructor in Colorado claimed Social Security after leaving a year-round resort job in the summer of 2025. That December, he returned to teach for one ski season. The resort later asked him to stay through mud season and run summer trail programs into July. To him, it was one extended job. Social Security divided it at midnight on New Year’s Eve.
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His December wages belonged to 2025, the first year he collected benefits. Everything earned from January through July belonged to 2026. The job crossed into a new calendar year, where a new earnings limit and a different way of measuring his work were waiting.
Why January 1 Changes the Calculation
Someone who collects Social Security before full retirement age (FRA) remains subject to the retirement earnings test. In 2026, a beneficiary who stays below FRA for the entire year can earn $24,480 before withholding begins. Social Security holds back $1 in benefits for every $2 above that limit. The limit resets each January. December wages count in one year; January wages begin another. Social Security does not care that the resort describes both paychecks as part of the same ski season.
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The instructor’s December earnings were tested under the rules applying to 2025. His January-through-July earnings accumulated against the 2026 limit. Extending the job through summer did not cause Social Security to count the same money twice. It placed different portions of one job into two annual calculations.
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The First-Year Rule Softened Only One Side
A special monthly earnings rule often applies for one year, usually the first year someone retires. It helps people who claim benefits after already earning more than the annual limit earlier in the year. Under that rule, Social Security can pay a full benefit for any whole month it considers the person retired, even when total annual earnings are high. In 2026, someone under full retirement age is generally considered retired during a month when earnings are $2,040 or less and no substantial services are performed in self-employment.
That rule may have protected some of the instructor’s benefit months during his first year. Once 2026 began, however, the ordinary annual test applied. Every dollar earned from January through July accumulated toward the new annual limit. The summer extension mattered because it added several more months of wages to a year no longer cushioned by the first-year calculation.
The Pay Date Does Not Move the Work
For an employee, Social Security generally counts wages when they are earned, not when the employer issues the check. A paycheck arriving in January for lessons taught in December ordinarily belongs to December for earnings-test purposes. That distinction can disappear on the W-2, which generally reports wages according to when they were paid. If a delayed bonus, vacation payout, or other payment belongs to work completed earlier, Social Security may need documentation from the employer to assign it correctly.
Self-employment follows different timing rules, another reason an instructor paid as an employee and one operating independently may receive different answers.
What the Withholding Really Means
Benefits withheld under the earnings test are not simply forfeited. At FRA, Social Security recalculates the monthly benefit and gives credit for months affected by withholding. The immediate cash-flow loss remains real, but it is not the same as a permanent tax.
Income taxes run on a separate track. Wages can make more of the year’s Social Security benefits taxable. Individual retirement account (IRA) and 401(k) withdrawals can add to that tax bill, even though those withdrawals do not count under the earnings test.
Before Accepting the Summer Schedule
Three steps can prevent one seasonal extension from producing an unexpected letter:
Divide projected wages by when the work is performed. Track December separately from January, even when the employer calls everything one season.
Confirm whether the special monthly rule still applies. It generally helps for only one year and should not be assumed to carry into the next season.
Update the earnings estimate with Social Security. Reporting the added summer wages promptly allows the agency to adjust upcoming checks instead of sending an overpayment notice later.
The resort saw one long season. Social Security saw December, a January reset, and seven more months of wages. The mountain never changed. The calendar did.
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