Publications Memos Go Back HSR Report Form Change to NAICS Codes 05.09.01 This memorandum deals with an interim rule effective July 1, 2001 that implements changes to certain reporting requirements on the Premerger Notification and Report Form under the Hart-Scott-Rodino Act. Related Insights 05.14.26 | Publications SEC Watch: SEC Division Directors on Private Credit Valuation, Retail Investors and AI 05.08.26 | Publications The Ad Standard: Monthly Update - May 2026 04.27.26 | Publications Acting Attorney General Re-Classifies Certain Marijuana Products Under the Controlled Substances Act and Establishes New Registration Pathway for State Medical Marijuana Licensees Related Services Related Practice Areas Litigation Antitrust and Trade Regulation Complex Commercial Litigation