RetireJapan

This is for companies, no idea about sole traders, self employed etc. Actually I don't know much about it at all except it seems we might be eligible for ¥1 million.

You can start preparing documents now. Mrs Woozy says it's even more complicated than last time:

https://jigyou-fukkatsu.go.jp/index.html

Here's some basic info in English:

Subsidy applications begin for smaller businesses
https://www3.nhk.or.jp/nhkworld/en/news/20220131_32/

Good luck to us all ...

If you haven't applied yet, just want to mention this subsidy is well worth while. Myself and another foreigner friend in business both received much-needed significant funds into our bank accounts today. Money arrived less than 1 week after we submitted our applications. If I'm not wrong you can apply up to May. In the end didn't have to submit too much paperwork.