Oregon Revised Statutes Procedure in Criminal Matters Generally § 146.100

(1) Death investigations shall be under the direction of the district medical examiner and the district attorney for the county where the death occurs.

(2) For purposes of ORS 146.003 to 146.189, if the county where death occurs is unknown, the death shall be deemed to have occurred in the county where the body is found, except that if in an emergency the deceased is moved by conveyance to another county and is dead on arrival, the death shall be deemed to have occurred in the county from which the body was originally removed.

(3) The district medical examiner or a designated assistant medical examiner for the county where death occurs shall be immediately notified of:

(4) No person having knowledge of a death requiring investigation shall intentionally or knowingly fail to make notification thereof as required by subsection (3) of this section.

(5) The district medical examiner or deputy medical examiner shall immediately notify the district attorney for the county where death occurs of all deaths requiring investigation except for those specified by ORS 146.090 (1)(d) to (g).

(6) All peace officers, health care providers as defined in ORS 192.556, supervisors of penal institutions and supervisors of hospitals or institutions caring for the ill or helpless shall cooperate with the medical examiner by providing a decedent's medical records and tissue samples and any other material necessary to conduct the death investigation of the decedent and shall make notification of deaths as required by subsection (3) of this section. A person who cooperates with the medical examiner in accordance with this subsection does not:

(7) Records or materials described in subsection (6) of this section may be released by the medical examiner only pursuant to a valid court order.