When do letters of reccomedation have to be in?

<p>So I'm in a bit of a bind. I kind of haven't gotten my letters of recommendation finalized yet. Terrible, I know. But do they have to be finalized the day that the application is due? I am applying to a couple of schools early for their merit deadline and I would really like to know.</p>

<p>For the common app, yes. I’m not sure about others.</p>