Oregon Revised Statutes Oregon Vehicle Code § 813.324

(1) If the prosecuting attorney or the attorney for the defendant in a prosecution for driving while under the influence of intoxicants obtains a tape or a transcript of a hearing held for the defendant under ORS 813.410, the attorney must provide a copy of the tape or transcript to the attorney for the other party at least seven days prior to the first date set for trial. If the attorney fails to supply the material in the time required, testimony from the hearing may not be admitted in evidence in the trial for any purpose, unless the attorney shows good cause for the failure to make the material available.

(2) The cost of a copy of a tape or transcript furnished under subsection (1) of this section shall be borne by the party who receives the copy.

(3) Nothing in this section requires a tape to be transcribed by the attorney who is required to provide a tape or transcript under subsection (1) of this section.