Individual Income,Estate and Gift Tax Division 2F

1. Planning of tax return applications of 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.

Profit-seeking Enterprise Income Tax 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.

Sales Tax 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. Planning and review of Specifically Selected Goods and Services Tax.
4. Investigation of Reported cases of tax evasion.
5. Investigation on the reported cases that involve in tax evasion and violate the regulations.
6. Management of tax registration for Business Tax, uniform invoices and planning of related collection and administrative operations.
7. Project design for Business Tax and the investigation of selected cases.
8. Planning for the filing of Business tax returns and collection of tax data.
9. Supervision of collection operations for Business Tax.
10. Investigation of fake companies.

Legal Affairs Division 5F

1. Investigation, control and verification of administrative relief and fines cases.
2. Handling cases the of administrative relief.
3. Handling cases that violate tax policies and regulations.
4. Discussion and summary of questions and opinions for modification of rules and regulations on tax related matters.

Gereral Administrative Division 6F

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).
6. Services related to the filing of tax returns.
7. Education on and promotion of taxation (including the campaign on uniform invoices).

Collection and Information Management Division 9F
（ Information Business）

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.

Collection and Information Management Division 10F
（Collection  Business）

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.

Investigation Office  6F
Control and supervision of discipline among of tax administrators.

Civil Service Ethics Office 7F

1. Prevention of corruption and malfeasance by public functionaries, Uncovering corruption and processing report and accuse matters, Maintenance of protection of official confidential information, Property-declaration.
2. Civil Services Counter 0800-895678.

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.

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

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