How do you get TTS?

I've been trading all year, and I'm pretty positive I qualify for TTS. But at what point do I officially get the status and can write off expenses? Is it when I do my tax return in 2026 for 2025 and submit my broker trade report? Would I be able to add expenses then? People keep saying you just get it based on the facts and circumstances, but is there anything I need to do?

At what point can I also get Mark to Market?

Also, I had to spend the last 3 months on a Joint investment account since on my personal account, I did too many trades one day and broke my daily trade limit, so it's been restricted. I intend to file the trade report for both accounts on my joint taxes. Would this have any impact on obtaining TTS?

If not TTS, could I show my substantial profit and say I'm a sole proprietorship and expense things because my trading is more than a hobby?

Thanks in advance