California Code, Government Code - GOV § 23269

(a) A statement of the proposition to be voted on and a description of the county boundaries as they will exist if the proposal is adopted.

(b) An invitation to any qualified elector entitled to vote on the proposition, or any bona fide association of citizens, to submit and file, with the clerk of the transferring county for printing and distribution in the ballot pamphlet, not later than 54 days prior to the date of the election, an argument for or an argument against the proposed county boundary change.

(c) The date of the election.

(d) A statement that only one argument for and one argument against shall be selected and printed in the ballot pamphlet.

(e) A statement that arguments shall not exceed 500 words in length and shall be accompanied by not more than three signatures.