; 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. (3) If the applicant is currently registered under subsection (f) to conduct research with a schedule I controlled substance, the applicant will be considered qualified to conduct research with controlled substances in schedule A and the Attorney General shall modify the applicant's registration to include schedule A controlled substances 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 practitioner’s existing registration to authorize research with schedule A controlled substances, unless the Attorney General determines that the registration modification would be inconsistent with the public interest based on the criteria of subsection (f). (4) Registrations issued under