(a)
(1) A majority of the commissioners shall constitute a quorum for the transaction of any business, for the performance of any duty, or for the exercise of any power of the Arkansas Public Service Commission.
(2) No one (1) vacancy for the time being in the commission shall impair the rights of the remaining commissioners to exercise all of the powers of the commission.
(b) The act of a majority of the commissioners shall be the act of the commission.