Constitution of the State of Delaware, Art. II, § 10. Journals;  publication;  entry of yeas and nays;  passage of bills and resolutions

Each House shall keep a journal of its proceedings, and publish the same immediately after every session, except such parts as may require secrecy.  The names of the members voting for and against any bill or joint resolution, except in relation to adjournment, shall on the final vote be entered on the journal;  and the yeas and nays of the members on any question shall, at the desire of any member, be entered on the journal.  No bill or joint resolution, except in relation to adjournment, shall pass either House unless the final vote shall have been taken by yeas and nays, nor without the concurrence of a majority of all the members elected to each House.