Again, I&#x27;m hardly a scholar of the US Constitution, but if the excerpt of the Federalist papers by Hamilton quoted by Wikipedia[1] is anything to go by, the reason is very clear: to allow for an appointment which &quot;might be necessary for the public service to fill without delay&quot; while the Senate is in recess. That it allows for this trick seems like an unintended consequence.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Recess_appointment#Legitimacy_of_intrasession_appointments" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Recess_appointment#Legitimacy_...</a>