We will be closed from 5pm BST on Friday 28th August 2026 for the late summer bank holiday, re-opening at 8.30am BST on Tuesday 1st September. Any orders placed during this period will be processed when we re-open.

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.