ORS 471.770: Self-incrimination as a basis for refusing to testify or produce books.

No person shall be excused from testifying or from producing any books, papers or documents in any investigation or inquiry by or upon any hearing before the Oregon Liquor and Cannabis Commission or any commissioner when ordered so to do by the commission or any of its authorized agents, upon the ground that the testimony, evidence, books, papers or documents required of the person may tend to incriminate the person or subject the person to penalty or forfeiture. No person shall be prosecuted, punished or subjected to any penalty or forfeiture for or on account of any act, transaction, matter or thing concerning which the person shall, under oath, have, by order of the commission, or a commissioner, or any of its authorized agents, testified to or produced documentary evidence of; but no person so testifying shall be exempt from prosecution or punishment for any perjury committed by the person in testimony.