; and (iv) past experience in the distribution of controlled substances, and the existence in the establishment of effective controls against diversion; and (B) not take into consideration any factors other than the factors listed in subparagraph (A). (4) No limit on number of manufacturers and distributors Notwithstanding any other provision of law, the Attorney General shall not impose or implement any limit on the number of persons eligible to be registered to manufacture or distribute marijuana pursuant to paragraph (1) or (2). (5) Requirement to verify use for legitimate, medical research As a condition on registration under this section to manufacture or distribute marijuana, the Attorney General shall require the registrant— (A) to require any person to whom the marijuana will be supplied to submit documentation demonstrating that the marijuana will be used exclusively by qualified medical marijuana researchers for research pursuant to subsection (f)(3); (B) in the case of distribution, to complete, with respect to that distribution, the DEA Controlled substance order form (DEA 222) (or a successor form) and the DEA Certificate of Registration (DEA Form 223) (or a successor form) and to upload such forms to the system used by the Drug Enforcement Agency for such distribution; (C) to include in the labeling of any marijuana so manufactured or distributed— (i) the following statement: This material is for medical and scientific research purposes only. ; and (ii) the name of the requestor of the marijuana; and (D) not later than 30 days after receipt of such documentation, and before supplying the marijuana to such person, to review such documentation and verify that the marijuana will be so used. (6) Timing Not later than 30 days after receipt of a request for registration under this subsection to manufacture or distribute marijuana, the Attorney General shall— (A) grant or deny the request