; and (C) the price paid by the importer for the drug. (2) Maintenance of records by Secretary The Secretary shall maintain information and documentation submitted under paragraph (1) for such period of time as the Secretary determines to be appropriate. (j) Suspension of importation (1) Patterns of noncompliance The Secretary shall require that importation of a specific qualifying prescription drug or importation by a specific certified foreign seller or importer pursuant to this section be immediately suspended if the Secretary determines that there is a pattern of importation of such specific drug or by such specific seller or importer that involves counterfeit drugs, drugs that have been recalled or withdrawn, or drugs in violation of any requirement of this section, until an investigation is completed and the Secretary determines that importation of such drug or by such seller or importer does not endanger the public health. (2) Temporary suspension The Secretary may require that importation of a specific qualifying prescription drug or importation by a specific certified foreign seller or importer pursuant to this section be temporarily suspended if, with respect to such drug, seller, or importer, there is a violation of any requirement of this section or if the Secretary determines that importation of such drug or by such seller or importer might endanger the public health. Such temporary suspension shall apply until the Secretary completes an investigation and determines that importation of such drug or by such seller or importer does not endanger the public health. (k) Supply chain security (1) Purchase from registered facilities and certified foreign sellers (A) In general Except as provided in subparagraph (B), certified foreign sellers who sell qualifying prescription drugs for importation into the United States pursuant to this section may purchase such drugs only from manufacturers or entities registered under section 510 or other certified foreign sellers. (B) Exception Certified foreign sellers