Billionaire Elon Musk said in a social media post Saturday that all U.S. federal workers will be required to respond to a Saturday email defending their jobs.

Musk, the unelected face of the new Department of Government Efficiency under President Donald Trump, has vowed to strip the government of its power and much of its workforce.

all federal employees would be required to respond to a late-afternoon Saturday email defending their jobs.

“Consistent with President [Trump’s] instructions, all federal employees will shortly receive an email requesting to understand what they got done last week,” Musk said in a post on X, his social media site, on Saturday afternoon. “Failure to respond will be taken as a resignation.”

The post doesn’t clarify when federal workers would need to respond to the email by, how the potentially thousands of responses would be managed across many different departments, or who would determine whether someone keeps their job or not. The White House did not respond to questions from HuffPost.

Musk’s post may have been a response to an all-caps social media post by Trump just hour earlier telling Musk to step it up.

“ELON IS DOING A GREAT JOB, BUT I WOULD LIKE TO SEE HIM GET MORE AGGRESSIVE,” Trump posted in all-caps on his social media website, Truth Social. “REMEMBER, WE HAVE A COUNTRY TO SAVE, BUT ULTIMATELY, TO MAKE GREATER THAN EVER BEFORE. MAGA!”

Under DOGE and Musk’s leadership, the federal workforce has been gutted by firings and layoffs. In the latest example on Friday, the Pentagon announced plans to cut about 5,400 probationary workers starting next week, along with a hiring freeze.