united-states president
Does a law require the Chief Justice to administer the president&#39;s oath?
<p>When a president of the United States is sworn in, normally the person administering the oath is the Chief Justice of the United States. Is that required by some law?</p>

<p>No law requires it.  In fact, <a href="https://en.wikipedia.org/wiki/First_inauguration_of_Lyndon_B._Johnson" rel="nofollow noreferrer">Lyndon Johnson was sworn in by a federal district judge, Sarah T. Hughes</a>.</p>
