California Code, Business and Professions Code - BPC § 14413

For purposes of Section 14411 a fictitious business name statement filed after January 1, 1971, and deemed filed on July 1, 1971, under Section 8 of Chapter 618 of the 1970 Statutes shall be considered filed at the time a certificate was first filed under Chapter 2 (commencing with Section 2466) of Title 10 of Part 4 of Division 3 of the Civil Code  1, as it existed on the effective date of the filing, provided that the certificate had not expired prior to the filing under Chapter 5 (commencing with Section 17900) of Part 3 of Division 7 of the Business and Professions Code.