that did not pass through the clearinghouse. (f) Funding (1) Diversion control fee account The activities performed under this section shall be considered to be elements of the diversion control program for purposes of this section. (2) Prohibition No registrant may pass on the cost of the clearinghouse to its customers. . (b) Technical and conforming amendment The table of contents for the Controlled Substances Act ( 21 U.S.C. 801 et seq.) is amended by inserting after the item relating to section 303 the following: Sec. 303A. Required clearinghouse for registrant orders. .