The hearing of protests and requests for exclusion may be continued from time to time during the course of the commission's determinations.
By citation or subpoena signed by its chairman and secretary, the commission may compel the attendance of such persons and the production of such books, papers and other documents before it as it deems necessary for the performance of its duties.
All officers and employees of either affected county shall cooperate with, perform any functions required by, and produce any books, records or other documents of such county requested by the commission and necessary for the performance of the commission's functions.
Ca. Gov. Code § 23259