; (3) cause there to be a difference (including a difference in active ingredient, route of administration, bioequivalence, strength, formulation, manufacturing establishment, manufacturing process, or person that manufactures the drug) between a prescription drug for distribution in the United States and the drug for distribution in Canada or another permitted country, subject to subsection (e), for the purpose of avoiding sales by certified foreign sellers; or (4) except with respect to a prescription drug on the drug shortage list under section 506E, engage in any other action to restrict, prohibit, or delay the importation of a prescription drug under this section. (i) Information and records (1) Biannual reports Each importer shall submit biannual reports to the Secretary which shall contain, for each qualifying prescription drug imported into the United States— (A) the unique facility identifier of the manufacturer of the drug, described in section 510; (B) the transaction information described in section 581(26) (other than the information described in subparagraph (C))