; and (C) policy or legislative recommendations to— (i) improve transparency and competition in the pharmaceutical supply chain; (ii) prevent and deter anticompetitive behavior in the pharmaceutical supply chain; and (iii) best ensure that consumers benefit from any cost savings or efficiencies that may result from mergers and consolidations. (b) Interim report Not later than 180 days after the date of enactment of this Act, the Commission shall submit to the appropriate committees of Congress an interim report on the progress of the report required by subsection (a), along with preliminary findings and conclusions based on information collected to that date. 4. Report The Commission shall submit to the appropriate committees of Congress a report that includes— (1) the number and nature of complaints received by the Commission relating to an allegation of anticompetitive conduct by a manufacturer of a sole-source drug; (2) the ability of the Commission to bring an enforcement action against a manufacturer of a sole-source drug; and (3) policy or legislative recommendations to strengthen enforcement actions relating to anticompetitive behavior.