Can you pay someone else&#39;s income taxes?
<p>Is it possible to pay someone else's federal income tax if you know how much they owe?</p>

<h2>Yes</h2>
<p>That would be a gift from you to them which may have tax implications of its own. They can theoretically refuse to accept the gift but the IRS is not going to give the money back.</p>

united-states tax-law