Section 12950 Of Article 4. Signature And Display Of Licenses From California Vehicle Code >> Division 6. >> Chapter 1. >> Article 4.
12950
. (a) Every person licensed under this code shall write his or
her usual signature with pen and ink in the space provided for that
purpose on the license issued to him or her, immediately on receipt
thereof, and the license is not valid until so signed, except that if
the department issues a form of license which bears the facsimile
signature of the applicant as shown upon the application, the license
is valid even though not so signed.
(b) For purposes of subdivision (a), signature includes a
digitized signature.