Oregon Revised Statutes Property Rights and Transactions § 100.130

(1) Subject to any limitations contained in the declaration, the boundaries between adjoining units, including any intervening common elements, may be relocated or eliminated by an amendment to the declaration. The owners of the affected units shall submit to the board of directors of the association a proposed amendment which shall identify the units involved, state any reallocations of common element interest, voting rights, common expense liability and right to common profits and contain words of conveyance. The board of directors shall approve the amendment unless it determines within 45 days that the reallocations are unreasonable or the relocation or elimination will impair the structural integrity or mechanical systems of the condominium or lessen the support of any portion of the condominium.

(2) The board of directors of the association of unit owners may require the owners of the affected units to submit an opinion of a registered architect or registered professional engineer that the proposed relocation or elimination will not impair the structural integrity or mechanical systems of the condominium or lessen the support of any portion of the condominium.

(3) The board of directors of the association or any agent appointed by the board of directors may supervise the work necessary to effect the boundary relocation or elimination.

(4) Any expenses incurred under subsections (2) and (3) of this section shall be charged to the owners of the units requesting the boundary relocation or elimination.

(5) The amendment shall be executed by the owners and mortgagees or trust deed beneficiaries of the affected units, certified by the chairperson and secretary of the association and approved and recorded in accordance with ORS 100.135 (2)(b).

(6) An amendment to the plat and any floor plans necessary to show the altered boundaries between the adjoining units shall be recorded in accordance with ORS 100.116.