Section 475A.495 - Prohibition against person under 21 years of age entering premises; penalty(1) Except as authorized by the Oregon Health Authority by rule, or as necessary in an emergency, a person under 21 years of age may not enter or attempt to enter any portion of a premises that is posted or otherwise identified as being prohibited to the use of persons under 21 years of age.(2) A person who violates subsection (1) of this section commits a Class B violation.(3) The prohibitions of this section do not apply to a person under 21 years of age who is acting under the direction of the authority or under the direction of state or local law enforcement agencies for the purpose of investigating possible violations of laws prohibiting sales of psilocybin products to persons who are under 21 years of age.(4) The prohibitions of this section do not apply to a person under 21 years of age who is acting under the direction of a licensee for the purpose of investigating possible violations by employees of the licensee of laws prohibiting sales of psilocybin products to persons who are under 21 years of age.(5)(a) A person under 21 years of age is not in violation of, and is immune from prosecution under, this section if: (A) The person contacted emergency medical services or a law enforcement agency in order to obtain medical assistance for another person who was in need of medical assistance because that person consumed a psilocybin product and the evidence of the violation was obtained as a result of the person's having contacted emergency medical services or a law enforcement agency; or(B) The person was in need of medical assistance because the person consumed a psilocybin product and the evidence of the violation was obtained as a result of the person's having sought or obtained the medical assistance.(b) Paragraph (a) of this subsection does not exclude the use of evidence obtained as a result of a person's having sought medical assistance in proceedings for crimes or offenses other than a violation of this section.