Article 4. Establishing Election Return Centers And Multiple Counting Centers of California Elections Code >> Division 15. >> Chapter 3. >> Article 4.

(a) The elections official of the jurisdiction shall establish one or more election return centers for the purpose of facilitating the compilation of election returns and expediting their announcement to the public.
  (b) In establishing a return center, the elections official may designate a group of precincts which the center shall serve and this designation shall be available for public inspection no later than 15 days before the election. The election return center may be at any public place as the elections official designates.

The elections official may establish one or more centers to count ballots from designated precincts and transmit the results via voice telephone connection or facsimile transmission. The count shall be conducted in all other respects in accordance with the central counting provisions of Article 2 (commencing with Section 15200). The list of designated precincts for each counting center shall be available for public inspection no later than 15 days before the election.