California Code, Elections Code - ELEC § 9006

(a) Upon receipt of the text of a proposed referendum, the Attorney General shall prepare a circulating title and summary of the chief purpose and points of the proposed statute at issue.  The circulating title and summary shall not exceed a total of 100 words.  No fiscal analysis shall be included.

(b) The Attorney General shall provide a copy of the circulating title and summary of the proposed referendum to the proponents and to the Secretary of State within 10 days after receipt of the proposed referendum.

(c) Upon receipt of the circulating title and summary from the Attorney General, the Secretary of State shall, within one business day, notify the proponents and county elections official of each county of the official summary date and provide a copy of the circulating title and summary to each county elections official.  This notification shall also include a complete schedule showing the maximum filing deadline, and the certification deadline by the counties to the Secretary of State.