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 08.10.26 | Publications The Ad Standard: Monthly Update - August 2026 07.10.26 | Publications The Ad Standard: Monthly Update - July 2026 07.07.26 | Publications Federal Court Allows Wiretap Claim to Proceed Based on Alleged DOJ Bulk Sensitive Data Rule Predicate Violation Related Services Related Practice Areas Litigation Antitrust and Trade Regulation Complex Commercial Litigation