Does the ~S~E~C~ (edit: FTC) have to approve? If so, have they?
https://en.wikipedia.org/wiki/Hart%E2%80%93Scott%E2%80%93Rod...
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The general rule is that a filing is required if three tests are met: *
(1) the transaction affects U.S. commerce;
(2) either
(a) one of the parties has annual sales or total assets of $151.7 million[3] or more (as of 2014: in 2012 this threshold amount began increasing periodically under the law), and the other party has sales or assets of $15.2 million[3] or more (as of 2014: this amount adjusts periodically) (where an acquired person is not engaged in manufacturing, only its total assets, not its sales, are counted, unless its sales are over $151.7 million[3]); or
(b) the amount of stock the acquirer has is valued at $272.8 million or more (as of 2012: amount adjusts periodically) at any time; and
(3) the value of the securities or assets of the other party held by the acquirer after the transaction is $68.2 million or more (as of 2012: amount adjusts periodically).[4] The 2018 rules raise this amount to US$84.4 million [5]-------------------------
* IANAL, but I worked somewhere that was charged with violating the act and it's any of the three, not all of them.