Old Prime Ministter's Offce, Ministry of justice, Ministry of Education, Ministry of Health and Welfare and Ministry of Home Affairs are unified to Ministry of Interior.
And Ministry of Agriculture, Forestry and Fisheries, Ministry of Construction, Ministry of Labor, Ministry of Post and Telecommunications and Ministry of Transport are unified to Ministry of International Trade and Industry.
All police under local goverment are reorganized as national police.
Advisory committee of Mikado.New member is accepted member's recommedation and Mikado's admission.Once appointed as the member, he or she is the member until death.
It's said free spirit, dragon, representives of megacorps and elders of Imperial family are among the members of Privy Council. Most of JIS's national policy are decided here.
For example, if anywho of the member win the agreement of another members and Mikado to that one megacorp's advantage fits the advantage of JIS, JIS Marine can be mobilized and new law fixed in Privy Council will be passed the Diet.
In Japan, troubles between Japanease megacorps are arbitrated in Privy Council before Zurich-Orbital.
(First purpose of Privy Council is national advantage. So non-company-members suppress reckless increase of megacorps benefit. But this suprressions are worked only when one member's rights and interests will be damaged.)
It means destruction violation against the dicission of Privy Council, even if megacorps. When a corporation failed to win the support in Privy Council, they use illegal way to solve their problems. (Shadowrunners are hired such case.)
Origin of Privy Council was the think tank of Okutukinomiya. (He roled great part when Japan became JIS.)
At first, they were young brains. But when the son of Okutukinomiya was crowned as Mikado, they became official organization and increased members with inviting various circles leaders. Okutukinomiya himself became the meber then.
Free spirit and dragon were invited at this time by Okutukinomiya.
(It's rumored that free spirit's name is Amenohiboko. Amenohiboko is a diety worked for ancient Mikado's Japan conquest more than 1500 years ago.)