The officials in charge of conducting the election shall cause a ballot pamphlet concerning the district formation proposition to be voted on to be printed and mailed to each voter entitled to vote on the district formation question.
The ballot pamphlet shall contain the following in the order prescribed:
The election officials shall mail a ballot pamphlet to each voter entitled to vote in the district formation election 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. Pub. Util. Code § 15762.4