2007 ORS § 476.230¹
Taking statements of persons knowing facts

If in the opinion of the State Fire Marshal further investigation is necessary, the State Fire Marshal or deputy state fire marshal, with the assistance of the district attorney, shall then proceed to take or have taken the statements of all persons supposed to be cognizant of any facts or who have means of knowledge in relation to the matter concerning which the examination is required and have such statements reduced to writing.