&gt; <i>It would provide better conceptual separation and to allow multiple bill titles</i><p>Correct, and (IANAP) when laws get looked at at a later time, it&#x27;s easier to understand what&#x27;s in them.  Like how single responsibility principle can make code audits easier.<p>Also if agreements need to be renewed, you have more composable pieces of law.<p>I am not a lawyer or politician, so all of this is probably unfeasible for other reasons.