Unless otherwise provided by law or regulations, the Bank's business shall be circumscribed to business with the following organizations:
1. Government agencies.
2. Banks and other financial institutions.
3. International and foreign financial institutions.

The currency of the Republic of China（Taiwan）shall be issued by the Bank.
The currency issued by the Bank shall be the national currency, and shall be legal tender for all payments within the territory of the Republic of China（Taiwan）.
The Bank shall establish plants under its management to carry out the printing and minting of the currency.

The Bank may, whenever necessary, delegate other government-owned banks to issue currency in designated regions on its behalf, to be regarded as national currency. The assets and liabilities pertaining to the issuance of such currency shall be for the account of the Bank.

The basic monetary unit of the national currency is Yuan and the subsidiary currencies are Chiou and Fen. Ten Fens equal to one Chiou and ten Chious equal to one Yuan.
The denomination, composition, form, and pattern of the notes and coins issued by the Bank shall be proposed by the Bank, for approval by the Executive Yuan.
The Bank shall make public the specifications of notes and coins prior to issuance.

Against currency issued by the Bank and its delegated banks, reserves in full equivalent value shall be maintained in gold, silver, foreign exchange, and eligible bills and securities.
The issuance of coins shall be exempt from reserves.

The amount and reserve status of currency issued by the Bank and its delegated banks shall be made public in regular intervals.

The Bank shall exchange stained or damaged notes and coins deemed to be unfit for circulation in accordance with certain standards, and destroy them according to law.
The Bank may redeem currency issued. Currency redeemed shall no longer be legal tender. However, the redemption period shall not be less than one year, during which time holders may exchange redeemed currency with the Bank.

The maximum amount of national currency that may be carried or mailed into or out of the territory of the Republic of China（Taiwan）shall be prescribed by the Bank.
Currency in excess of the aforesaid maximum cannot be transported into or out of the territory.

When financial institutions or other enterprises which are authorized to engage in foreign exchange business receive counterfeit or altered national currency or foreign currency, they shall retain, void and destroy those currencies, save that suspicion of criminal involvement shall be reported to the judicial authority. Regulations on handling counterfeit or altered currency shall be prescribed by the Bank.

The Bank may issue gold and silver coins and commemorative notes and coins. Regulations governing the issuance of gold and silver coins and commemorative notes and coins shall be prescribed by the Bank.
The sale or resale price of aforesaid notes and coins may be higher than their denomination.

The Bank may provide the following accommodations to banks：
1. Rediscounts of eligible bills, with maturity not exceeding 90 days for industrial and commercial bills, and 180 days for agricultural bills.
2. Temporary accommodations not exceeding 10 days.
3. Refinancing of secured loans not exceeding 360 days.
The Bank may impose limits on rediscounts or other accommodations to banks.

The Bank, in order to assist economic development, may establish various funds, using savings deposits re-deposited by financial institutions and other special funds to refinance medium and long-term loans disbursed by banks.

The discount rate and the rates on other accommodations shall be determined by the Bank in the light of prevailing financial and economic conditions, and made public. However, a branch office of the Bank may establish its own discount rate and the rates on other accommodations according to special local financial conditions, with prior approval by the Head Office, and make them public.

The Bank may, at its discretion and in the light of financial and economic conditions, prescribe an upper limit for the interest rates of bank deposits, and approve the range of interest rates on bank loans as proposed by the Bankers Association.

The Bank shall receive and keep reserves against deposits and other liabilities of financial institutions which are regulated by the Banking Act, and may, at its discretion, adjust various deposit and other liability reserve ratios under the following maximum limits in accordance with the regulation governing adjustment and audit thereof, which shall be prescribed by the Bank:
1. Checking deposits: 25%
2. Demand deposits: 25%
3. Savings deposits: 15%
4. Time deposits: 15%
5. Other liabilities: 25%
The scope of aforesaid other liabilities shall be prescribed by the Bank.
The Bank may, whenever necessary and from a specific date, impose on the increment of the checking deposits, demand deposits and other liabilities, a marginal reserve ratio which shall not be bound by the maximum limits on paragraph 1 of this Article.
The Bank may charge the financial institutions having insufficient reserves, on the portion of the shortfall, a penalty interest rate not higher than two times of that prescribed in Article 21 on unsecured temporary accommodations as stated in subparagraph 2, paragraph 1 of Article 19.

The Bank shall, in conformity with law, receive and keep reserves for indemnity deposited by investment and trust companies.

The Bank, after consulting with the Financial Supervisory Commission, may at its discretion, prescribe for banks a minimum ratio of their liquid assets to various liabilities.

The Bank may, in the light of financial conditions, purchase and sell in the open market the bonds issued or guaranteed by the government, financial bonds issued by banks and bills accepted or guaranteed by banks.

The Bank may, for the purpose of regulating monetary conditions, issue certificates of deposits, savings bonds and short-term bonds, and may purchase and sell them in the open market.

The Bank may, whenever necessary, prescribe maximum loanable ratios selectively on the items used as collateral or mortgage of secured loans extended by banks.

The Bank may, whenever necessary, prescribe and regulate the amount of down-payment and the term of credit extended by banks for the purchase or construction of buildings and the purchase of durable consumer goods.

The Bank shall prescribe and regulate the accommodations extended by banks to securities dealers or securities finance companies.

The Bank may, whenever it deems that the monetary and credit conditions so warrant, prescribe a limit on various kinds of credit extended by all, or any category of, financial institutions.

The Bank shall establish clearing houses for negotiable instruments exchange and clearance of accounts among banks at the sites of Head Office or branch offices. The Bank may delegate government-owned banks to carry out this function in places where the Bank has no branch office. Regulations governing the business of negotiable instruments exchange and clearance of accounts among banks shall be prescribed by the Bank.

The Bank shall hold international reserves, and undertake the overall management of foreign exchange.

The Bank may, in the light of the balance of payments situation, take measures to adjust the demand for and supply of foreign exchange with a view to maintaining an orderly foreign exchange market.

The Bank shall undertake the following foreign exchange business:
1. To draw up plans for foreign exchange management and on anticipated receipts and payments;
2. To authorize and supervise banking and other enterprises engaged in foreign exchange business;
3. To settle the purchase and sale of foreign exchange;
4. To examine and approve private outward and inward remittances;
5. To supervise private enterprises' foreign borrowings guaranteed by authorized banks, with reference to their management and their repayment schedule;
6. To purchase and sell foreign currencies, bills of exchange and securities;
7. To calculate, compile, analyse and report the receipts and payments of foreign exchange;
8. Other business relating to foreign exchange.
Regulations governing requirements of application, the examination procedure, approval of authorization, the scope of business, withdrawal of authorization, and other matters which banking and other enterprises applying to engage in foreign exchange business must comply with, shall be prescribed by the Bank.

The Bank shall effect the business of the National Treasury and manage the National Treasury's as well as the Central Governmental agencies' cash accounts, bills, securities, including receipts and payments, safekeeping and transfers, and the safekeeping of their other asset documents.
The Bank may delegate, whenever necessary, the business mentioned above to other financial institutions in places where the Bank has no branch office.

The Bank shall undertake the floatation, redemption and interest payment of central government bonds and treasury bills issued domestically or abroad. The Bank may delegate the above-mentioned business to other financial institutions, whenever necessary.

In conformity with the powers and functions authorized by this Act, the Bank, if necessary, may undertake the inspection of the business of financial institutions and the targeted examination of such business as outlined in Chapter 3 of this Act; and may direct financial institutions to prepare and submit, within a prescribed period of time, accurate financial reports, property inventories or other relevant documents and reports.
If the responsible person(s) or staff member(s) of a financial institution or its branch office commit(s) any of the following acts when the Bank dispatches officials to inspect or examine its business, or directs the financial institution to prepare and submit accurate financial reports, property inventories or other relevant documents and reports in accordance with the preceding paragraph, the financial institution or its branch office shall be liable to a fine of not less than Two Million New Taiwan Dollars (NT$2,000,000) but not more than Ten Million New Taiwan Dollars (NT$10,000,000), imposed by the Bank:
1. Refusing to be inspected or examined;
2. Concealing or damaging account books and documents related to business or financial conditions;
3. Refusing to reply or providing false information to inquiries made by the examiner without justifiable reasons;
4. Failure to provide accurate and complete financial reports, property inventories or other relevant documents or reports in a timely manner.
The financial institution or its branch office shall seek recourse from the responsible person(s) after paying such administrative fines.

The Bank shall, to facilitate the formulation of financial policies and the execution of its business, regularly collect economic information, compile financial statistics and conduct financial and economic research.