; (C) prior conviction record of applicant under Federal or State laws relating to the manufacture, distribution, or dispensing of substances described in subparagraph (A); (D) past experience in the distribution of controlled substances; and (E) such other factors as may be relevant to and consistent with the public health and safety. (3) If an applicant is registered to distribute a controlled substance in schedule I or II under subsection (b), the applicant shall not be required to apply for a separate registration under this subsection. (m) (1) Not later than 90 days after the date on which a substance is placed in schedule A, any practitioner who was engaged in research on the substance before the placement of the substance in schedule A and any manufacturer or distributor who was handling the substance before the placement of the substance in schedule A shall register with the Attorney General. (2) (A) Not later than 60 days after the date on which the Attorney General receives an application for registration to conduct research on a schedule A substance, the Attorney General shall— (i) grant, or initiate proceedings under section 304(c) to deny, the application