Copies of charters and amendments, revisions and repeals; judicial notice. (1) Duplicate certificates shall be made, setting forth the county charter adopted and a statement of its ratification, signed by the officers or members of the body canvassing election returns. One of such certified copies shall be deposited in the office of the Secretary of State, the other shall be kept as a permanent record of the county. All courts shall take judicial notice of either copy

ORS 203.770 — under Chapter 203.