TikTok CEO Shou Zi Chew has thanked US President-elect Donald Trump for his efforts to keep the app operational in the United States.

This statement is made ahead of a Jan. 19 deadline for TikTok to sever ties with its China-based parent company, ByteDance, to avoid ceasing US operations due to national security concerns.

On Jan. 17, the US Supreme Court upheld a ban in a unanimous decision, strengthening the mandate.

President Trump said the decision regarding TikTok’s future in the US rests with him but gave no details.

He may issue an order delaying the sale-or-ban law and mentioned discussing TikTok with China’s President Xi Jinping on Jan. 17.