California Code, Government Code - GOV § 26666

(a) Notwithstanding any other law, a marshal or sheriff, including their department or office, shall comply with this section for service of process and notice.  As used in this section, “notice” has the same meaning as defined in Section 26660.

(b) A marshal or sheriff, including their department or office, shall accept an electronic signature and shall not require an original or wet signature on a document requesting the marshal or sheriff, or their department or office, to serve court documents, or on a summons, order, or other notice to be served.