The US antitrust agencies are requiring firms to turn over much more
   information about their transactions than before in an overhaul to
   merger rules that could delay deals by months.
   The New M&A Rules That Would Delay Million-Dollar Deals
   [1]https://www.bloomberg.com/news/articles/2023-06-27/proposed-merger-f
   iling-rules-by-ftc-doj-means-deals-could-faces-months-of-delay

References

   1. https://www.bloomberg.com/news/articles/2023-06-27/proposed-merger-filing-rules-by-ftc-doj-means-deals-could-faces-months-of-delay