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Social Security and Medicare payroll structure

The Social Security/Medicare payroll structure remains central to payroll-tax receipts, with a 12.4% OASDI split and Medicare shares

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Jan 13, 2026
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How does Form SSA‑44 work to challenge an IRMAA determination, and what documentation is required?

Form SSA‑44 is the Social Security Administration’s form for requesting a new IRMAA (Income‑Related Monthly Adjustment Amount) determination when a qualifying “life‑changing event” has reduced a benef...