Oregon constitution
Article IV: legislative branch
Section 19

Every bill shall be read by title only on three several days, in each house, unless in case of emergency two-thirds of the house where such bill may be pending shall, by a vote of yeas and nays, deem it expedient to dispense with this rule; provided, however, on its final passage such bill shall be read section by section unless such requirement be suspended by a vote of two-thirds of the house where such bill may be pending, and the vote on the final passage of every bill or joint resolution shall be taken by yeas and nays.