Oregon constitution
Article XVII: amendments and revisions
Section 2

(a) The Legislative Assembly proposes and refers to the people a revision under subsection (1) of this section; and
(b) An amendment is proposed under section 1, Article IV, or under section 1 of this Article; and
(c) The proposed amendment will be submitted to the people at an election held during the period between the adjournment of the legislative session at which the proposed revision is referred to the people and the next regular legislative session.