President Donald Trump signed an executive order Monday to keep TikTok operating for 75 days, a relief to the social media platform’s users even as national security questions persist. TikTok’s China-based parent ByteDance was supposed to find a U.

ByteDance now has to show that it’s making significant progress on a deal to sell TikTok to a US-based company.

Shortly after taking office Monday, the president issued the order to delay the app’s ban for 75 days. The law went into effect on Sunday.