Promoting INTOSAI objectives regarding professional cooperation at regional level is carried out by the seven regional working groups, namely:

1. Organization of Latin American and Caribbean Supreme Audit Institutions (OLACEFS), established in 1965;
2. African Organization of Supreme Audit Institutions (AFROSAI), established in 1976;
3. Arab Organization of Supreme Audit Institutions (ARABOSAI), established in 1976;
4. Asian Organization of Supreme Audit Institutions (ASOSAI), established in 1978;
5. Pacific Association of Supreme Audit Institutions (PASAI), established in 1987;
6. Caribbean Organization of Supreme Audit Institutions (CAROSAI), established in 1988;
7. European Organization of Supreme Audit Institutions (EUROSAI), established in 1990.

In order to discuss the most significant professional issues and of permanent interest for all INTOSAI members, four INTOSAI committees were set up, namely:

1. Professional Standards Committee, which has 4 sub-committees

The Romanian Court of Accounts is part of the Internal Control Subcommittee and Compliance Audit Subcommittee. 

2. Capacity Building Committee, which consists of two sub-committees

3. Committee on Knowledge Sharing and Knowledge Services consisting of 7 working groups (Working Group on Public Debt, Working Group on IT Audit, Working Group on Environmental Auditing, Working Group on Audit Extractive Industries, Working Group on Evaluation of Public Policies and Programs, Working Group on the Fight Against Corruption and Money Laundering and Working Group on SDGs and Key Sustainable Development Indicators) and 3 Task Force (Working Group on Public Procurement Audit, Working Group on Value and Benefits of SAIs, Working Group on Financial modernization Regulatory Reform)

The Romanian Court of Accounts is part of the Working Group on Environmental Auditing and the Working Group on Public Debt.

4. Policy Finance and Administration Committee
 
Under the auspices of EUROSAI, there are currently 3 Working Groups and 2 Task Forces, as follows:
1. Working Group on IT Audit (ITWG)
2. Working Group on Environmental Auditing (WGEA)
3. Working Group on Funds Allocated to Disasters and Catastrophes
4. Task force Audit and Ethics (TFA&E)
5. Task Force on Municipality Audit (TFMA)

The Romanian Court of Accounts is part of the Working Group on IT Audit (ITWG), the Working Group on Environmental Auditing (WGEA), the Working Group on Funds Allocated to Disasters and Catastrophes, the Task force Audit and Ethics (TFA&E) and the Task Force on Municipality Audit (TFMA).

Working Groups and Experts Networks currently operating within the Contact Committee:

1. Task Force on the European Banking Union 
2. Joint Working Group on Audit Activities
3. Network on Fiscal Policies Audit
4. Network on Lisbon Strategy / Europe 2020 Audit 
5. Working Group on Value Added Tax 
6. Expert network on the independent assessment of national public economic policies
7. Working group on preventing and combatting irregularities and fraud

The Romanian Court of Accounts is part of the Working Group on Value Added Tax and of the Joint Working Group on Audit Activities.