WAC 246-921-150
WAC 246-921-150. Anesthesiologist assistant identification
(1) An anesthesiologist assistant must clearly identify themselves as an anesthesiologist assistant and must appropriately display on their person identification as an anesthesiologist assistant. An anesthesiologist assistant may identify themselves as an anesthesiologist assistant (AA) or a certified anesthesiologist assistant (CAA).
(2) An anesthesiologist assistant must not present themselves in any manner which would tend to mislead the public as to their title.