Delaware constitution
Article IV
Section 3

Sixth, before sending the name of any person to the Senate for confirmation as the appointment of the Governor to a vacancy in any Judicial Office as aforesaid, the Governor shall, not less than ten (10) days before sending the name of such person to the Senate for confirmation, address a public letter to the President of the Senate informing him or her that he or she intends to submit to the Senate for confirmation as an appointment to such vacancy the name of the person he or she intends to appoint.