On January 24, 2012, the Federal Trade Commission announced revised, higher thresholds for premerger filings under the Hart-Scott-Rodino Antitrust Improvements Act of 1976. The filing thresholds are revised annually, based on the change in gross national product and will be effective thirty days after publication in the Federal Register. Publication is expected within a week, so the new thresholds will most likely become effective in late February 2012. Acquisitions that have not closed by the effective date will be subject to the new thresholds.

The HSR Act notification requirements apply to transactions that satisfy the specified "size of transaction" and "size of person" thresholds. The key adjusted thresholds are summarized in the following chart...