California Code of Regulations
Title 2 - Administration
Division 7 - Secretary of State
Chapter 3 - Voting Locations
Article 1 - Vote-By-Mail Ballot Drop Boxes and Vote-By-Mail Drop-off Locations
Section 20135 - Drop-off Location and Drop Box Security

(a) An unstaffed drop box placed outdoors shall be securely fastened in a manner as to prevent moving or tampering, for example, fastening the drop box to concrete or an immovable object.

(b) An unstaffed drop box placed inside a building shall be secured in a manner that will prevent unauthorized removal.

(c) A staffed drop box shall be utilized in one of the following manners:

(d) A staffed drop box shall be placed in an area that is inaccessible to the public and/or otherwise safeguarded during the hours the drop box is not in use.

(e) If feasible, drop boxes shall be monitored by a video security surveillance system, or an internal camera that can capture digital images and/or video. A video security surveillance system can include existing systems on county, city, or private buildings.

(f) All drop boxes shall be secured by a lock or sealable with a tamper-evident seal. Only an elections official and a designated ballot retriever shall have access to the keys and/or combination of the lock.