Or. Const. art. IV, § 25 – Majority necessary to pass bills and resolutions; special requirements for bills raising revenue; signatures of presiding officers required

(1) Except as otherwise provided in subsection (2) of this section, a majority of all the members elected to each House shall be necessary to pass every bill or Joint resolution.
(2) Three-fifths of all members elected to each House shall be necessary to pass bills for raising revenue.
(3) All bills, and Joint resolutions passed, shall be signed by the presiding officers of the respective houses.

[Constitution of 1859; Amendment proposed by H.J.R. 14, 1995, and adopted by the people May 21, 1996]