The presidential electors and alternate presidential electors, before 12:00 M. on the day before that fixed by Congress for the electors to vote for president and vice president of the United States, shall notify the governor that they are at the State Capitol and ready at the proper time to fulfill their duties as electors. The governor shall deliver to the electors present a certificate of the names of all the electors. The electors shall meet at 12:00 p.m. in the executive chamber of the State Capitol and shall perform all the duties imposed upon them as electors by the Constitution and laws of the United States and this state in the manner provided in section 208.46.