sr1(1)(1)
The senate shall elect, by roll call vote, one of its members to serve as president and one to serve as president pro tempore. The president and president pro tempore shall serve for the biennial session unless separated by death, resignation, or removal by the adoption of a resolution by a majority of the current membership.
sr1(2)
(2) The president is the senate's presiding officer and shall authenticate by personal signature all of the acts, orders, and proceedings of the senate.
sr1m(1)(1)
The presiding officer shall, in general, represent and stand for the senate, declaring its will, and in all things obeying its commands.
sr1m(2)
(2) Every officer of the senate is subordinate to the committee on senate organization and, in all that relates to the discharge of that officer's duties, is under the supervision of the committee on senate organization.
sr1m(3)
(3) For staffing and budget purposes related to the operation of all senate offices, all senators are subordinate to the committee on senate organization.
sr2(1)(1)
When the president is absent or unable to preside over the senate sitting in session, the president pro tempore may preside and assume all of the duties enumerated under rule
4. The substitution does not extend beyond adjournment and ends upon the president's return or the election of a new president.