an individual or entity engaged in authorized medical research may distribute, dispense, or possess cannabidiol for purposes of the authorized medical research if the individual or entity is registered under the Controlled Substances Act ( 21 U.S.C. 801 et seq.) to engage in such activity with a controlled substance in schedule II in section 202(c) of the Controlled Substances Act ( 21 U.S.C. 812(c) ). (2) Completion of ongoing research If, as a result of the determination and proceedings described in section 3, cannabidiol is a controlled substance in schedule I in section 202(c) of the Controlled Substances Act ( 21 U.S.C. 812(c) ), an individual or entity engaged in authorized medical research may continue to distribute, dispense, or possess cannabidiol for purposes of completing the authorized medical research if the individual or entity— (A) was engaged in the authorized medical research in accordance with paragraph (1) on or before the date on which the proceedings are completed