2009 California Water Code - Section 46950-46951 :: Article 3. Additional Property Or Work

46950.  The board may determine upon the acquisition of property or
the construction of work not contemplated in the report and
recommendation, with accompanying plans and specifications,
originally adopted.

46951.  The same proceedings for the preparation and adoption or
rejection of the report and recommendation as to the acquisition of
additional property or construction of additional work, and in case
of the adoption of the report and recommendation, the levying and
collection of the assessments to meet the cost, shall be taken in
connection with the property and work to be acquired or constructed
as provided in this division for the acquisition or construction of
the property or work contemplated by the original project.