As used in ORS 226.510 to 226.640:
(1) “Abandoned cemetery” means a cemetery in which remains have not been interred in the last five years and:
(a) That does not have a known owner;
(b) For which the last known owner is deceased and the title was not conveyed; or
(c) That was owned by an entity that no longer exists and that did not convey title.
(2) “Cemetery” means a tract of land set apart by deed, will or otherwise, for a burial ground, or for the purpose of interring remains.
(3) “Diligent search” means a search reasonably calculated to discover:
(a) Graves from the existence of monuments, contour of land and terrain, fencing, curbing and other evidences of the location of graves; and
(b) The location of remains and whether or not a given plot contains remains, for which it shall be sufficient to employ the method commonly known as probing.
(4) “Municipal corporation” means the governing body of a city incorporated under the laws of this state.
(5) “Remains” means the remains of a deceased person.
(6) “Suitable location” means a cemetery, now in existence or hereafter established, including a portion of a cemetery subject to the provisions of ORS 226.510 to 226.640, where provision is made for the perpetual care and upkeep of the graves.