
Quoting
2006 California Rules of Court, Rule 828. Traffic court - trial by written declaration
(b) [Procedure]
(5) (Instructions to arresting officer) If the clerk receives defendant's Request for Trial by Written Declaration (form TR-205) and bail by the due date, the clerk shall deliver or mail to the arresting officer's agency Notice and Instructions to Arresting Officer (form TR-210) and Officer's Declaration (form TR-235) with a copy of the Notice to Appear and a specified return date for receiving the officer's declaration. After receipt of the officer's declaration, or at the close of the officer's return date if no officer's declaration is filed, the clerk shall submit the case file with all declarations and other evidence received to the court for decision.
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(c) [Due dates and time limits] Due dates and time limits shall be as stated in this rule, unless changed or extended by the court. The court may extend any date, but the court need not state the reasons for granting or denying an extension on the record or in the minutes.