California Code
CHAPTER 5 - Notices, and Filing and Service of Papers
Section 1012.

1012. Service by mail may be made where the person on whom it is to be made resides or has his office at a place where there is a delivery service by mail, or where the person making the service and the person on whom it is to be made reside or have their offices in different places between which there is a regular communication by mail.

(Amended by Stats. 1931, Ch. 739.)