Not closed down, but there is no audio-visual license. It's temporarily closed, and it will be restored after certification. After all, people still have to make money.

Did they notify the temporary closure before to remind netizens to transfer information?

If you lose it, you are only responsible. Did you pay and sign the agreement with 5 1? If he doesn't, he's not responsible. You just let nature take its course and don't love yourself.

Pray.