; or (ii) request supplemental information from the applicant. (B) Not later than 30 days after the date on which the Attorney General receives supplemental information requested under subparagraph (A)(ii) in connection with an application described in subparagraph (A), the Attorney General shall grant or deny the application. (n) (1) The Attorney General shall register a scientific investigator or a qualified research institution to conduct research with controlled substances in schedule A in accordance with this subsection. In evaluating applications for such registration, the Attorney General shall apply the criteria set forth in subsection (f) of this section that apply to practitioners seeking a registration to conduct research with a schedule I controlled substance, except that the applicant shall not be required to submit a research protocol. (2) If the applicant is not currently registered under subsection (f) to conduct research with a schedule I controlled substance, the Attorney General shall refer the application to the Secretary, who shall determine whether the applicant will be engaged in bona fide research and is qualified to conduct such research. The 60-day period under subsection (m)(2)(A) shall be tolled during the period beginning on the date on which the Attorney General refers an application to the Secretary under this paragraph, and ending on the date on which the Secretary submits a determination related to such referral to the Attorney General. (3) An applicant who meets the criteria under subsection (m)(1)(B) with respect to a particular schedule A controlled substance shall be considered qualified to conduct research with that substance. The Attorney General shall modify such applicant’s registration to include such schedule A controlled substance in accordance with this paragraph. The applicant shall notify the Attorney General of his intent to conduct research with a controlled substance in schedule A. Upon receiving such notification, the Attorney General shall modify the