A. The governor shall submit the names of the commissioners to be appointed to the state senate for confirmation not later than the thirtieth day of each regular session of the legislature. A three-fifths vote of the senate shall be required for confirmation. The appointment of such commissioners shall become effective on the day of confirmation by the senate. No commissioner shall be appointed without confirmation by the senate except that, in the case of a vacancy, the governor may appoint a commissioner to fill a vacancy until the next regular session of the legislature, at which time an appointment shall be made for the balance of the unexpired term.
B. In the event the governor should refuse or fail to submit the names of the highway commissioners to the senate for confirmation in the manner above provided, the senate shall appoint and confirm the highway commissioners.