(a) Any vacancy on the commission occurring by the failure of a board member to continue in his or her position due to a change in his or her status, thereby making the individual ineligible to serve, or due to death, removal, resignation, or disqualification, shall be filled with a qualified individual for the unexpired portion of the term by a majority vote of the remaining members of the commission.
(b) Any vacancy on the commission occurring by the failure of an alternate member to continue in his or her position due to a change in his or her status, thereby making the individual ineligible to serve, or due to death, removal, resignation, or disqualification, shall be filled with a qualified individual pursuant to Section 74735.