Cal. Elec. Code § 21557

(a) A commission member shall apply this chapter in a manner that is impartial and that reinforces public confidence in the integrity of the redistricting process.
(b) The term of office of each commission member expires upon the appointment of the first member of the succeeding commission.
(c) Seven members of the commission shall constitute a quorum. Seven or more affirmative votes shall be required for any official action.
(d) To the greatest extent practicable, each commission member shall be present for all public hearings and internal meetings of the commission.
(e)
1. (1) The commission shall not retain a consultant who would not be qualified as an applicant pursuant to paragraph (4) of subdivision (d) of Section 21556.
2. (2) For purposes of this subdivision, “consultant” means a person, whether or not compensated, retained to advise the commission or a commission member regarding any aspect of the redistricting process.
(f) Each commission member shall be a designated employee for purposes of the conflict of interest code adopted by the County of Merced pursuant to Article 3 (commencing with Section 87300) of Chapter 7 of Title 9 of the Government Code.