The four foreign ministers, Sir Alec Douglas-Home of the United Kingdom, Andrei Gromyko of the Soviet Union, Maurice Schumann of France, and William P. Rogers of the United States signed the agreement and put it into force at a ceremony in Berlin on 3 June 1972.
On 3 June 1972, Sir Alec Douglas-Home from the UK, Andrei Gromyko from the Soviet Union, Maurice Schumann from France, and William P. Rogers from the US signed the agreement and initiated its implementation at a ceremony in Berlin.