(2) The district board:
(a) May order an election under this section on its own resolution; or
(b) Shall order an election under this section when a petition is filed as provided in this section.
(3) A petition shall specify a dollar amount for carrying out any one or more of the purposes authorized by ORS 403.535. The requirements for preparing, circulating and filing a petition under this section shall be as provided for an initiative petition under ORS 255.135 to 255.205. [2009 c.584 §16]