Law in USA the limits Medicare Part B premiums?
<p>What is the law in the USA that prevents the government from raising Medicare Part B premiums more than a small amount each year?</p>

<p>The relevant law is <a href="https://www.law.cornell.edu/uscode/text/42/1395r" rel="nofollow noreferrer">42 USC 1395r</a>, which regulates the setting of premiums, though it doesn't say anything about "a small amount". The premiums are based in part on projected costs, so if actual costs quadruple in a year, premiums will increase (also, premiums for an individual can increase substantially if their income does).</p>

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