Cal. Water Code § 36447.6

If the board finds that protests against the proposed issuance of any consolidated bonds are signed by the owners of more than one-half of the area of the land in any improvement district whose bonds are proposed to be included in the consolidated bonds, all further proceedings under the resolution of intention are barred, and no new resolution of intention for the issuance of consolidated bonds which would include bonds for the improvement district may be passed within six months after the decision of the board on the hearing, unless the protests are overruled by an affirmative vote of four-fifths of the members of the board.