Oregon Revised Statutes Public Health and Safety § 464.270

(1) The Department of Justice shall not issue a license to conduct bingo, lotto or raffle games or Monte Carlo events to any organization unless:

(2) An application for a license must be accompanied by a certificate of the organization's exemption from payment of income taxes as a charitable, fraternal or religious organization and by such other evidence of the organization's status under subsection (1) of this section as the department may require.

(3) If an organization loses its tax exempt status after having applied for or having received a license, the organization shall promptly notify the department of the change in status. A license issued by the department shall cease to be valid whenever the organization to which it is issued loses its tax exempt status.