SECOND UPDATE: On July 8, 2019, the judge issued an order setting aside the CMS rule. The full opinion is available here.
UPDATE: On July 8, 2019, the judge in this suit is due to provide a ruling on whether the rule will take effect on July 9. The judge might issue a stay on the rule's implementation. For more details, see this report from MM&M.
On June 14, 2019, Amgen, Merck, Lilly, and the Association of National Advertisers filed a complaint challenging the CMS rule requiring TV ads to include drug pricing information.
Here's a link to the original complaint: https://drive.google.com/file/d/1w5I5kvuYIedGaFGOYzl_VtzZEDFGA7vQ/view
If there is no action on this complaint, the rule will go into effect on July 9.