ジャマイカとの租税条約が発効します
https://www.mof.go.jp/tax_policy/summary/international/tax_convention/press_release/20200818Jam.htm
https://www.mof.go.jp/tax_policy/summary/international/tax_convention/press_release/20200818Jam.htm
https://www.mof.go.jp/tax_policy/publication/brochure/haifu/index.php
https://www.cao.go.jp/zei-cho/gijiroku/zeicho/2020/2zen2kai.html
https://www.cao.go.jp/zei-cho/chukei/
https://www.mof.go.jp/tax_policy/reference/taxes_and_stamp_revenues/202006.pdf
https://www.mof.go.jp/tax_policy/reference/account/r2019.pdf