California Code, Government Code - GOV § 23283

If upon a canvass of the total votes cast in the territory proposed to be transferred at the election, it appears that 50 percent or less, of the total number of all votes cast within the territory proposed to be transferred are in favor of the proposed boundary change, the board of supervisors of the county from which territory is proposed to be transferred, by resolution, shall declare the proposition concerning the proposed boundary change defeated. No further proceedings to effect substantially the same boundary change shall be initiated or taken for a period of one year after the date of the election.