Taxpayers may apply for additional time before 31 March through a request, upon which the relevant tax commissioner may grant an extension of up to 90 days.

The back-to-back announcements have also triggered debate online, resurfacing discussions around immigration, hiring in Silicon Valley and Musk’s own views on talent and technology.

Wherever you look in American politics right now, you’ll find legislators saying the government still doesn’t tax enough — especially when it comes to the wealthy. California progressives are pursuing ...