2005 California Government Code Sections 71042.5-71043 Article 2. Preservation of Judicial Districts

71042.5.  Notwithstanding any other provision of law, where judicial
districts in a county have been consolidated, or where the municipal
and superior courts in a county have unified, the territory embraced
within the respective prior component judicial districts shall be
separate judicial districts for the purpose of publication within a
judicial district.
71042.6.  For the purpose of establishing boundaries under Section
71042.5, a map approved by the county surveyor shall be kept on file
with the county recorder showing the boundaries of all consolidated
or unified districts and component districts as of the date of
consolidation or unification.  The map shall be conclusively presumed
to be accurate and may be used in evidence in any proceeding
involving application of Section 71042.5.
71043.  The determination of whether a judicial district or former
judicial district has a population above or below 40,000 shall be
made on the latest occurring of the following bases:
   (a) As shown by the last preceding federal census of the district
or of the aggregate cities and other political subdivisions situated
within the district, whichever is greater.
   (b) As shown by a subsequent census taken pursuant to Section
26203.
   (c) As may have been found to be the fact in any proceeding for
declaratory relief brought in a court having jurisdiction.