; or (ii) is in a schedule with a higher numerical designation than the schedule of the first controlled substance. (B) Nothing in this paragraph shall prohibit the Attorney General from conducting any inspection if the Attorney General deems it necessary to ensure that the registrant maintains effective controls against diversion. . (e) Continuation of research on substances newly added to schedule I Section 302 of the Controlled Substances Act ( 21 U.S.C. 822 ) is amended by adding at the end the following: (h) Continuation of research on substances newly added to schedule I If a person is conducting research on a substance at the time the substance is added to schedule I, and such person is already registered under this title to conduct research with a controlled substance in schedule I, then— (1) the person shall, within 90 days of the scheduling in schedule I, submit a completed application for registration under this title or modification of an existing registration under this title, to conduct research on such substance, in accordance with regulations issued by the Attorney General; (2) the person may, notwithstanding subsections (a) and (b), continue to conduct the research on such substance until— (A) the person withdraws such application; or (B) the Attorney General serves on the person an order to show cause proposing the denial of the application pursuant to section 304(c); (3) if the Attorney General serves such an order to show cause and the person requests a hearing, such hearing shall be held on an expedited basis and not later than 45 days after the request is made, except that the hearing may be held at a later time if so requested by the person