California Code
ARTICLE 1 - General Provisions
Section 13216.5.

13216.5. A ballot stub may be used, but is not required, for a ballot produced on demand if the quantity of ballots produced for the election can be reconciled by the ballot processing method used by the system generating the ballot for use. The ballots may contain printed and distinguishing marks if secrecy in voting is protected.

(Amended by Stats. 2019, Ch. 863, Sec. 20. (AB 623) Effective January 1, 2020.)