Japan's top currency diplomat, Masato Kanda, who will instruct the BoJ to intervene, when he judges it necessary, said on Thursday that he will take appropriate action if it’s necessary. However, he declined to comment on foreign exchange (FX) intervention. 

Key quotes

“Declines to comment on intervention.”

“Is prepared for currency intervention at any time.”

“Does not comment on intervention speculation.”

“Denies discussing intervention