(a) The county superintendent of education shall devote his or her entire time to pubic school business, unless authorized to engage in outside employment by the county board of education. In counties in which the maximum salary of the county superintendent of education is not fixed by law, the county superintendent of education shall receive such compensation, including salary and travel expenses, as the county board of education shall direct.
(b) Commencing on July 1, 2021, in counties where superintendents of education are elected by a direct vote of the qualified electors, the salary for the office is not required to be fixed before the beginning of the term of office.