It shall constitute a "Manipulative, Deceptive, or Other Fraudulent Act or Practice," within the meaning of these rules, for an investment adviser acting as principal for his own account, knowingly to sell any security to or purchase any security from a client for whom he is acting as investment adviser, or acting as broker-dealer for a person other than such client, knowingly to effect any sale or purchase of any security for the account of such client, without disclosing to such client in writing before the completion of the transaction the capacity in which he is acting and obtaining the consent of the client to such transaction.
Or. Admin. Code § 441-205-0190
Stat. Auth.: ORS 59
Stats. Implemented: ORS 59.205(2)