The great register or supplement thereto, and certificates in due form of notaries public or verification deputies acknowledging the signature of any voter to any petition or certificate pursuant to this division, are sufficient evidence for all purposes of this division.

Nothing in this division shall be construed as repealing or modifying the provisions of any other law relating to public utility districts, except insofar as the provisions of such other law are inconsistent with the provisions of this division.

Whenever all the territory comprising a district becomes part of a city, the legislative body of the city succeeds to the powers of the board of directors of the district and is thereafter for all purposes the board of directors. All property, records, and documents of the district shall be transferred and conveyed by the board of directors to the legislative body of such city.