California Code, Government Code - GOV § 26608.1

The sheriff, when serving any process or notice, shall, if the instructions to the sheriff include a request for a certificate as prescribed by the Soldiers and Sailors Relief Act of 1940 as amended (50 United States Code Appendix, Section 520)  1 make inquiry of the person served to attempt to ascertain the information required to execute a certificate as prescribed by said act. He shall then execute and deliver to the party requesting service, a certificate as provided by said act or a certificate setting forth the facts as ascertained by him.