| Principal Body | | | The Commission is the main decision-making body where each of the Contracting Parties is represented. The Commission holds annual meetings, alternating between Regular meetings and Special meetings every two years. | Subsidiary Body | | |
- Panels
- Tropical Tunas (yellowfin, skipjack and bigeye)
- Northern Temperate Tunas (albacore and bluefin)
- Southern Temperate Tunas (albacore and southern bluefin)
- Other Species
- Standing Committee on Finance and Administration (STACFAD)
- Standing Committee on Research and Statistics (SCRS)
- Permanent Working for the Improvement of ICCAT Statistics and Conservation Measures (PWG)
- Conservation and Management Measures Compliance Committee
- Special Working Groups
| Secretariat | | | The ICCAT Secretariat facilitates the work carried out by the Commission. It compiles and prepares the databases, makes preparatory data analyses, executes meeting arrangements, prepares publications, etc. |