The Parliamentary Assembly of the South-East European Cooperation Process (SEECP) was formally set up at the session of Speakers of Parliaments of the SEECP participating states in Bucharest in 2014. 

The SEECP Parliamentary Assembly was established in accordance with the Charter on Good Neighbourly Relations, Stability, Security and Cooperation in South-East Europe (Bucharest, 2000), the Memorandum of Understanding for Inter-Parliamentary Cooperation in SEE (Sofia, 2008) and the Final Declarations of the Conferences of the Speakers of Parliaments of the SEECP participating states. 
The SEECP Parliamentary Assembly meets once a year for the regular plenary session. Each parliamentary delegation has a single vote. According to the SEECP PA Rules of Procedure, the delegations of the parliaments are headed by the speakers of the parliament/parliamentary chamber.