https://www.meti.go.jp/press/2024/02/20250212003/20250212003.html
https://www.meti.go.jp/policy/newbusiness/stock-option.html
https://jicpa.or.jp/specialized_field/20250210cgi.html
https://www.nta.go.jp/law/tsutatsu/kobetsu/sozoku/kaisei/250210/01.htm
https://www.meti.go.jp/main/zeisei/zeisei_fy2025/zeisei_fy2024/index.html
https://www.nta.go.jp/users/gensen/teigakugenzei/kakutei.htm
https://www.nta.go.jp/taxes/tetsuzuki/shinsei/annai/shinkoku/annai/1557_2.htm
https://www.koeki-info.go.jp/regulation/rijikanji.html