The OASU has a steering structure and a set of commissions that animate the scientific life of the OASU.
The Steering structure derives from the statutes of the OASU and is based on:
- an Office
- a Steering Committee
- a Board of the OASU
- scientific advice
The commissions are included in the rules of procedure of the OASU :
- Observation services
- Education/training
- Communication
- Computer
- Quality
- Heritage
