Section 475A.360 - Integration session(1) After a client completes an administration session, the psilocybin service facilitator who supervised the administration session must offer the client an opportunity to participate in an integration session. The client may, but need not, participate in an integration session.(2) An integration session may be, but need not be, held at a psilocybin service center.(3) If an integration session is completed in accordance with all applicable requirements, specifications and guidelines, as determined by the Oregon Health Authority, the psilocybin service facilitator must certify, in a form and manner prescribed by the authority, that the client completed the integration session.