The memorandum is addressing recent changes to both the HSR premerger notification filing thresholds and the thresholds that trigger, under Section 8 of the Clayton Act, a prohibition preventing companies from having interlocking directorates, each of which were published today in the Federal Register. The new HSR notification thresholds will apply to all transactions which will close on or after February 24, 2011, and the Section 8 thresholds are effective today. 


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