The Department of Finance (DoF) is responsible for managing currency and oversees finance within the Yamatai Star Empire. They are in charge of financial, monetary, trading, and fiscal law in the Yamatai Star Empire, including Taxes, the annual presentation of theGovernment budget, and the upkeep of the Treasury. They are also responsible for Government revenue, enforcing federal finance and tax laws, and investigating and prosecuting tax evasion. It is headed by the Minister of Finance, in charge of the budget and financial markets, aided by a State Secretary, who is in charge of taxes and the treasury. It is the second largest department of the Yamatai Government, after the Yamatai Department Of Colonization, deploying just under 2 million employees across 12 star systems. Its headquarters stand in Kyoto's Imperial District, and it has a large department in the Imperial Palace.
The DoF also is the agency that creates and governs banking laws within the Empire. It is in charge of setting Interest rate for banking, thrift, and international trade. Also, it controls Subsidy to government-controlled institutions, and coordinates with other nation's financial institutes to promote competitiveness.
The DoF has direct oversight and audit authority over all banking institutions in the Empire. This includes government sponsored, and privately owned banking institutions.
The DoF is also responsible for the production of all Imperial currency Kikyou Satsu (KS). This includes establishing the exchange rate between recognized friendly governments. Since YE 14, they have been in charge of the Agency of Weights & Standards, an agency that promotes standardization and innovation.
Since the KS and precious metals are readily available from aether forges, there is no literal limit to the amount of money that is able to be printed. Therefore, the DoF sets virtual limits to money generation, and adjusts budgets according to these limits.