Or. Rev. Stat. § 195.205
(1) A city or district that provides an urban service may annex territory under ORS 195.020, 195.060 to 195.085, 195.205 to 195.235, 197.005, 197.319, 197.320, 197.335 and 223.304 that:
(2) A city or district may submit an annexation plan to a vote under subsection (5) of this section only if, prior to the submission of the annexation plan to a vote:
(a) The territory contained in the annexation plan is subject to urban service agreements among all appropriate counties and cities and the providers of urban services within the territory, as required by ORS 195.065 and 195.070, and:
[1993 c.804 §13]