Oregon Revised Statutes Financial Institutions § 708A.440

If a person who owns a deposit account subject to check authorizes another person as agent to draw checks against the account, the insured institution, in the absence of written notice to the contrary, may presume that any check the agent draws in the manner that the terms and conditions of the account authorize, including a check the agent draws to the agent's personal order, is for a purpose that the principal authorizes and is within the scope of the authority conferred upon the agent.