2010 California Code
Penal Code
Chapter 5. Transmission Of Certain Indictments And Information

1029.  When an indictment is found or an information filed in the
superior court against a judge thereof, a certificate of that fact
must be transmitted by the clerk to the chairman of the Judicial
Council, who shall thereupon designate and assign a judge of the
superior court of another county to preside at the trial of such
indictment or information, and hear and determine all pleas and
motions affecting the defendant thereunder before and after judgment.