Twenty states and the District of Columbia petitioned the Supreme Court on January 3, 2020 to review this term a recent federal appeals court decision that held the Affordable Care Act's individual mandate unconstitutional.
The petition can be obtained at https://oag.ca.gov/system/files/attachments/press-docs/California%20v.%20Texas%20Petition%20for%20a%20Writ%20of%20Certiorari.pdf.