California Code
CHAPTER 4 - Special Provisions Relating to Actions Against the State
Section 955.9.

955.9. In actions on claims against a judicial branch entity, service of summons shall be made on:

(a) The court executive officer, in actions on claims against a superior court or a judge thereof.

(b) The Clerk/Executive Officer of the Court of Appeal, in actions on claims against a court of appeal or a judge thereof.

(c) The Clerk/Executive Officer of the Supreme Court, in actions on claims against the Supreme Court or a judge thereof.

(d) The Administrative Director of the Judicial Council, in actions on claims against the Judicial Council or the Administrative Office of the Courts.

(Amended by Stats. 2018, Ch. 92, Sec. 84. (SB 1289) Effective January 1, 2019.)