OR Rev Stat § 171.015 (2021)
2021 Oregon Revised Statutes|Volume : 05 - State Government, Government Procedures, Land Use|Chapter 171 - State Legislature|Section 171.015 - Emergency legislative sessions; procedure for determining legislators’ request for or refusal of emergency sessions; time and manner of convening sessions.

(1) When a majority of the members of each house of the Legislative Assembly has cause to believe that an emergency exists and so notifies the presiding officers of each house in the manner described in this section, the presiding officers shall invoke section 10a, Article IV of the Oregon Constitution. (2) Members of the Legislative Assembly may give notice of intent to invoke the provisions of subsection (1) of this section by filing written notice thereof with the Legislative Administrator. The notice shall be accompanied by a written statement giving justification of the need for a special session. The filing may be signed by more than one member of each house but must be signed by at least one member of each house. (3) Upon receipt of a properly signed notice and statement described in subsection (2) of this section, the Legislative Administrator shall send to each member of the Legislative Assembly a form to be signed and returned by the member indicating whether the member requests a special session or does not so request. The form shall be as prescribed by the Legislative Administration Committee and shall contain the text of this section, the names of the members who filed the notice, and the text of the accompanying statement. The form shall be dated and shall bear the date 14 days later, computed as provided in subsection (7) of this section, by 5 p.m. on which date the form must be returned to the Secretary of the Senate or the Chief Clerk of the House of Representatives, respectively, or the person designated to serve in that capacity in order to be counted in determining whether the minimum requisite number of signatures requesting a special session has been obtained. The form sent to the members shall be sent by certified mail, addressee only, return receipt requested. (4) The return of the signed form by a member to the Secretary of the Senate or the Chief Clerk of the House of Representatives or person designated to serve in that capacity constitutes an irrevocable request for or refusal of the special session requested by the members filing under subsection (2) of this section and described in the form. (5) The Secretary of the Senate and the Chief Clerk of the House of Representatives, respectively, or the person designated to serve in that capacity shall verify the signatures in the return form and tally the requests and refusals, note the date and time of the receipt of each returned form. When each receives the requisite minimum number of signed forms agreeing to the special session from members of the house of which the person is an officer, each immediately shall notify the presiding officer of each house. (6) Upon receiving notice from the Secretary of the Senate and the Chief Clerk of the House of Representatives or the person designated to serve in that capacity that the minimum requisite number of signed requests for a special session has been received and verified for both houses, the presiding officers jointly shall convene the Legislative Assembly into emergency session by joint proclamation, fixing the date thereof. The date must be within five days after receipt by the presiding officers of the notice from the Secretary of the Senate and Chief Clerk of the House of Representatives. The original of the proclamations shall be filed with the Secretary of State. (7) The period of time for purposes of subsection (3) of this section shall be computed by excluding the first day and including the last day unless the last day falls on any legal holiday or on Saturday, in which case the last day is also excluded. The period of time for purposes of subsection (6) of this section shall be computed by beginning on the day after which the presiding officers receive the notice described in subsection (6) of this section and ending five days later, regardless of legal holidays or Saturdays. [1977 c.689 §1]