; (2) the person may, notwithstanding subsections (a) and (b), continue to conduct the research on the substance until— (A) the person withdraws the application described in paragraph (1) of this subsection; or (B) the Attorney General serves on the person an order to show cause proposing the denial of the application under section 304(c); (3) if the Attorney General serves an order to show cause as described in paragraph (2)(B) and the person requests a hearing, the 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; and (4) if the person sends a copy of the application described in paragraph (1) to a manufacturer or distributor of the substance, receipt of the copy by the manufacturer or distributor shall constitute sufficient evidence that the person is authorized to receive the substance. . (f) Treatment of certain manufacturing activities as coincident to research Section 302 of the Controlled Substances Act ( 21 U.S.C. 822 ), as amended by subsection (e), is amended by adding at the end the following: (i) Treatment of certain manufacturing activities as coincident to research (1) In general Except as provided in paragraph (3), a person who is registered to perform research on a controlled substance may perform manufacturing activities with small quantities of that substance, including activities described in paragraph (2), without being required to obtain a manufacturing registration, if— (A) the activities are performed for the purpose of the research; and (B) the activities and the quantities of the substance involved in the activities are stated in— (i) a notification submitted to the Attorney General under section 303(n); (ii) a research protocol filed with an application for registration approval under section 303(f); or (iii) a notification to the Attorney General that includes— (I) the name of the registrant