Or. Admin. R. 199-050-0055 – Public Vote Requirements

(1) All official actions of a governing bodies shall be taken by public vote.
(2) Results of all votes shall be recorded, including the vote of each individual governing body member by name. For public bodies with more than 25 members, the individual votes do not need to be recorded unless one member makes such a request.
(3) Secret ballots are prohibited.
(4) If written ballots are used, the written ballot shall identify the individual governing body member by name and each governing body member’s vote shall be announced during the meeting at which the vote occurred.

ORS 244.290

ORS 192.610, ORS 192.650, ORS 192.660 & ORS 192.685