The FTC can be divided into the following departments and administrative support offices: First Department, Second Department, Third Department, Department of Planning, Department of Legal Affairs, Secretariat, Personnel Office, Accounting Office, Statistics Office, and Civil Service Ethics Office.

1. First Department

The First Department shall investigate and process matters relating to monopolies, mergers, and concerted actions by enterprises in the following sectors:

1. agriculture, forestry, fishery, animal husbandry, and hunting businesses;
2. commercial business;
3. transportation, warehousing, and communications businesses;
4. finance, insurance, real-estate, and industrial/commercial services; and
5. social and personal services.

2. Second Department

The Second Department shall investigate and process matters relating to monopolies, mergers, and concerted actions by enterprises in the following sectors:

1. mining and earth/gravel excavating businesses;
2. manufacturing business;
3. water, electricity, and fuel gas businesses;
4. construction business; and
5. other related or non-classifiable businesses.

3. Third Department

The Third Department shall be charged with investigating and processing the following:

1. restrictions on resale prices;
2. interference with fair competition;
3. counterfeiting;
4. false, untrue, or misleading presentations and advertisements;
5. acts causing injury to another person’s business reputation;
6. multi-level sales; and
7. matters related to deceptive or obviously unfair acts that are sufficient to affect trading order.

4. Department of Planning

The Department of Planning shall be charged with the following matters:

1. to prepareing and formulate formulating fair trade policies;
2. to issueing public notices under the Fair Trade Act;
3. to conducting research/development and controlling or reviewing matters related to fair trade;
4. to collecting domestic and foreign fair trade information and rendering economic analysis; and
5. to handleing other matters related to the planning of fair trade.

5. Department of Legal Affairs

 TThe Department of Legal Affairs shall be charged with the following matters:

1. to prepareing and formulate formulating fair trade rules and regulations and amendments thereof;
2. to consulting laws and regulations related to fair trade;
3. to studying and researching legal systems related to fair trade;
4. to carrying out the execution of fines; and
   
5. to handleing the referral of criminal offenders for prosecution.

6.Administrative Support Offices

1. The Secretariat shall be charged with meetings, clerical matters, use of the official seal, receipts and disbursements, general affairs, and public relations as well as matters not relating to other Departments.
   
2. The Statistics Office administers statistical affairs and establishes and maintains the data systems.
   
3. The Personnel Office administers personnel affairs.
   
4. The Accounting Office administers the annual budget and accounting affairs.
   
5. The Civil Service Ethics Office administers anti-corruption work.