Oregon Revised Statutes Military Affairs; Emergency Services § 399.425

(1) A commissioned officer of the organized militia may tender resignation at any time. Such resignation will be tendered in writing through proper military channels in accordance with applicable federal and state laws and regulations. Such resignations shall take effect when properly accepted and announced in orders.

(2) A commissioned officer desiring to accept an appointment or to enlist in the active Army, Navy, Air Force, Marine Corps or Coast Guard of the United States or a reserve component thereof shall first obtain a conditional release from the commander of the officer. Such conditional release shall be issued in accordance with this chapter and ORS chapters 396 and 398 and military department regulations, and shall include certification that the officer is properly cleared of responsibility for all state and United States property and public money, and that the officer is not indebted to the state or to the organization to which the officer belongs. An officer so released shall be considered to have resigned upon presentation of evidence that the officer has accepted an appointment or enlisted in the force to which released, and the resignation shall be announced in orders.

(3) No officer shall be allowed to resign a commission who is under arrest, suspension or who is under orders to be returned to any military court for delinquency.