California Code
ARTICLE 2 - Discovery of Property of Decedent
Section 8871.

8871. Interrogatories may be put to a person cited to answer interrogatories pursuant to Section 8870. The interrogatories and answers shall be in writing. The answers shall be signed under penalty of perjury by the person cited. The interrogatories and answers shall be filed with the court.

(Enacted by Stats. 1990, Ch. 79.)