2011 ORS § 441.695¹
Conduct of investigation

In investigating all complaints under ORS 441.690 (Complainant may accompany investigator), the investigator shall:

(1) Interview all available witnesses identified by any sources as having personal knowledge relevant to the complaint;

(2) Make personal inspection of all physical circumstances that are relevant and material to the complaint and which are susceptible of objective observation;

(3) Not decline to interview a witness or consider the testimony of the witness solely because the witness is neither a health care professional nor an employee of the facility; and

(4) Write a report which includes:

(a) The investigators personal observations;

(b) A review of documents and records;

(c) A summary of all witness statements; and

(d) A statement of the basis for the finding. [1981 c.241 §2]