A. Services Division 1F
    1.Services related to the filing of tax returns.
    2.Education on and promotion of taxation (including the campaign on uniform invoices).

 B. First Examination Division 3F
    1. Planning of Profit-seeking Enterprise Income Tax returns operations.
    2.Administrative procedures for the review of Profit-seeking Enterprise Income Tax.
    3.Planning of the review procedures for Profit-seeking Enterprise Income Tax.
    4.Examination of accountants audits received by the Administration.
    5. Data collection, organization, filing, reporting and management of tax collection information of Profit-seeking Enterprise Income Tax.

 C. Second Examination Division 2F
    1.Planning of tax return applications on Individual Income Tax, Estate Tax and Gift Tax.
    2.Planning of the execution and tax deduction procedures for Individual Income Tax of both ROC and foreign taxpayers.
    3.Review and auditing of special cases regarding Individual Income Tax and Gift Tax.
    4.Review and auditing of large-amount Estate and Gift Taxes.
    5.Work allocation, investigation, verification and control of cases that require further examination.
    6.Data collection, organization, filing, reporting and management of tax collection information of Individual Income Tax, Estate Tax and Gift Tax.

 D. Third Examination Division 4F
    1.Planning and review of Commodity Tax and Tobacco and Alcohol Tax.
    2.Review of Securities Transaction Tax and Futures Transaction Tax.
    3.Investigation of reported cases of tax evasion.
    4.Investigation on the reported cases that involve in tax evasion and violate the regulations.
    5. Planning and review of Specifically Selected Goods and Services Tax

 E. Fourth Examination Division 4F

   1.Management of tax registration for Business Tax, uniform invoices and planning of related collection and administrative operations.
    2.Project design for Business Tax and the investigation of selected cases.
    3.Planning for the filing of Business Tax returns and collection of tax data.
    4.Supervision of collection operations for Business Tax.
    5.Investigation of fake companies.

 F. First Legal Affairs Division 5F
    1.Investigation, control and verification of cases.
    2.Handling cases of administrative relief (Profit-seeking Enterprise Income Tax and Business Tax).
    3.Discussion and summary of questions and opinions for modification of rules and regulations on tax related matters.
     4.Heandling cases that violate tax policies and regulations.(profit-seeking Enterprise Income Tax and Business Tax)

 G. Second Legal Affairs Division 6F
     1.Investigation, control and verification of cases.
     2.Handling cases of administrative relief (Individual Income Tax, Estate Tax, Gift Tax, Securities Transaction tax, Futures Transaction Tax, Commodity Tax, Tobacco and Alcohol Tax, Spcifically Selected Goods and Services Tax).
     3.Handling cases that violate tax policies and regulations.

 H. Collection Division 10F
     1.Planning tax collection business.
     2.Management of tax rebates/returns of various tax items.
     3.Planning of tax evasion clearance business.
     4.Working with the courts to clear delayed tax payments and penalties.

 I. Information Management Division 9F
    1.Planning, design and execution of various automated systems.
    2.Planning, design and execution of automated systems of various tax items.
    3.Operation of various automation procedures.
    4.Planning of automation projects and control of operation schedules.

 J. Planning Division 7F
    1.Auditing and control of selected cases.
    2.Re-examination of cases.
    3.Evaluation and management of tax collection performance; control and review of official documents.
    4.Research and development of the promotion and re-organization of collection procedures, technologies and various related tax business.
    5.The research and planning of the Administration's business guidelines and working projects (including preliminary operations).

 K. Secretariat 12F
    Secretarial business; payment applications; receipt and issuance of official documents and letters; document proofreading and the use of seals; archive management and administrative work.

 L. Personnel Office 11F
    Structure of the organization; staff appointments, lay-offs, promotions, job post transferals, performance evaluation and rewards, management of sick-leave and business trips; matters related to salary, welfare, pensions, retirement and compensations.

 M. Accounting and Statistics Office 11F
    Annual accounting, accounting and statistics business.

 N. Investigation Office 6F
    Maintenance and supervision of disciplines among of tax administrators.

 O. Civil Service Ethics Office 7F
    Business related to the prevention, finding, reporting and handling of corruption by public functionaries; maintenance of government secrets; business relations to asset disclosure by public functionaries.