The Bank of Japan adopted new rules Friday banning its executives from engaging in most types of investment, including stocks and private equity funds, in response to the public furor over personal investments BOJ Gov. Toshihiko Fukui made before he became chief of the central bank.

The central bank aims to release and enforce the new internal rules by the end of this month, based on recommendations compiled Thursday by a BOJ advisory panel.

The decision was unanimously endorsed at a BOJ Policy Board meeting Friday morning.