The Council of Europe Treaty Series (CETS) contains the official versions of all the conventions and agreements adopted within the Council of Europe, numbered in the chronological order of their opening for signature. The date on the cover of the publication is that of the opening of the treaty for signature.
The chart of signatures and ratifications of Council of Europe treaties is available free of charge on the web site of the Treaty Office of the Council:
http://conventions.coe.int.
I. General Agreement on Privileges and Immunities of the Council of Europe (ETS No. 2)
II. Special Agreement relating to the Seat of the Council of Europe (ETS No. 3)
III. Supplementary Agreement to the General Agreement on Privileges and Immunities of the Council of Europe (ETS No. 4)
IV. Protocol to the General Agreement on Privileges and Immunities of the Council of Europe (ETS No. 10)
V. Third Protocol to the General Agreement on Privileges and Immunities of the Council of Europe (ETS No. 28)
VI. Sixth Protocol to the General Agreement on Privileges and Immunities of the Council of Europe (ETS No. 162)