The elections official of the principal county shall cause a ballot pamphlet concerning the proposed consolidation to be printed and mailed to each qualified elector of each affected county.
The ballot pamphlet shall contain the following in the order prescribed:
The elections official shall mail a ballot pamphlet to each qualified elector at least 10 days prior to the date of the election. The ballot pamphlet is "official matter" within the meaning of Section 13303 of the Elections Code.
Ca. Gov. Code § 23559