Akira Amari, head of the tax commission of the Liberal Democratic Party (LDP), told a Nikkei seminar that he wanted to ensure unlisted companies would also be allowed to categorise performance-based compensation to foreigners as expenses.

A former economy minister, Amari added that companies risked being excluded from a supply chain if they did not move to rein in emissions and boost cybersecurity.

(Reporting by Kaori Kaneko; Editing by Clarence Fernandez)