ORS 254.472: Spaces for marking ballots to be made available.

The county clerk shall provide, at any location where ballots are issued, at least three suitable compartments, shelves or tables at which electors may mark their ballots. The arrangement of the compartments, shelves or tables shall ensure that the elector may conveniently mark the ballot with absolute secrecy. The compartments, shelves or tables shall be available during the entire time that ballots may be issued.