§ Evid R 601 General rule of competency
Evid R 601 General rule of competency
Every person is competent to be a witness except:
(A) Those of unsound mind, and children under ten years of age, who appear incapable of receiving just impressions of the facts and transactions respecting which they are examined, or of relating them truly.
(B) A spouse testifying against the other spouse charged with a crime except when either of the following applies:
(1) a crime against the testifying spouse or a child of either spouse is charged;
(2) the testifying spouse elects to testify.
(C) An officer, while on duty for the exclusive or main purpose of enforcing traffic laws, arresting or assisting in the arrest of a person charged with a traffic violation punishable as a misdemeanor where the officer at the time of the arrest was not using a properly marked motor vehicle as defined by statute or was not wearing a legally distinctive uniform as defined by statute.
(D) A person giving expert testimony on the issue of liability in any claim asserted in any civil action against a physician, podiatrist, or hospital arising out of the diagnosis, care, or treatment of any person by a physician or podiatrist, unless the person testifying is licensed to practice medicine and surgery, osteopathic medicine and surgery, or podiatric medicine and surgery by the state medical board or by the licensing authority of any state, and unless the person devotes at least one-half of his or her professional time to the active clinical practice in his or her field of licensure, or to its instruction in an accredited school. This division shall not prohibit other medical professionals who otherwise are competent to testify under these rules from giving expert testimony on the appropriate standard of care in their own profession in any claim asserted in any civil action against a physician, podiatrist, medical professional, or hospital arising out of the diagnosis, care, or treatment of any person.
(E) As otherwise provided in these rules.