Agreement regarding the Headquarters of the Danube Commission
- Agreement concluded on 27 May 1964 between the Danube Commission and the Government of the Peoples Republic of Hungary on the seat of the Danube Commission in the Peoples Republic of Hungary.
- Additional protocol regarding the privileges and immunities granted to the Danube Commission and its staff to the Agreement concluded on 27 May 1964 between the Danube Commission and the Government of the Peoples Republic of Hungary on the seat of the Danube Commission in the Peoples Republic of Hungary