noun
Cabinet Secretariat confidential fund; secret Cabinet expenses
A specific budget item in Japanese government finance, used for confidential activities of the Cabinet Secretariat. Often discussed in political and journalistic contexts.
官房機密費の使途は公表されない。
The use of the Cabinet Secretariat confidential fund is not disclosed.
野党は官房機密費の廃止を求めている。
The opposition parties are calling for the abolition of the secret Cabinet expenses.
機密費 is a broader term for any confidential or secret fund, while 官房機密費 specifically refers to the Cabinet Secretariat's confidential fund.
Compound of 官房 (かんぼう, 'Cabinet Secretariat') and 機密費 (きみつひ, 'confidential expenses'). The term is a modern bureaucratic coinage.