Oregon Revised Statutes Chapter 215 § 215.317 — to 215.438 or under county legislation or regulation, the permit is

to 215.438 or under county legislation or regulation, the permit is valid for four years. (2) An extension of a permit described in subsection (1) of this section is valid for two years. A county may approve no more than five additional one-year extensions of a permit if: (a) The applicant makes a written request for the additional extension prior to the expiration of an extension; (b) The applicable residential development statute has not been amended following the approval of the permit, except the amendments to ORS 215.750 by section 1, chapter 433, Oregon Laws 2019; and (c) An applicable rule or land use regulation has not been amended following the issuance of the permit, unless allowed by the county, which may require that the applicant comply with the amended rule or land use regulation. (3) An extension of a permit under subsection (2) of this section is not a land use decision as defined in ORS 197.015. (4) As used in this section, “residential development” means dwellings provided for under ORS