Section 13246 Of Article 3. Vote Tabulating Devices From California Elections Code >> Division 13. >> Chapter 3. >> Article 3.

. The device for marking the ballot may be of any size, shape, or form, and the impression made on the ballot may be in the form of a cross, square, circle, rectangle, or any other design that will clearly indicate the choice of the voter. Any type of ink or other substance that will clearly show the voter's choice may be used in or in conjunction with the marking device.