The notice shall contain a statement that before the legislative body may finally confirm the diagram, assessment, bondholders’ proposal, and proceedings, there shall be filed with the clerk the written consent of the owners of:
(a) A majority in area of the land in the district or districts subject to assessment to pay the principal and interest of the original bonds.
(b) A majority in area of the new district.
(Added by Stats. 1951, Ch. 331.)