The agreement, permitting the carriage of letters more quickly than by the normal postal service, became effective nationally on 1 February 1891 and the FR Co. signed the agreement on 28 May 1891. The FR Co. copy survived and was located in 1968 by the Company Archivist, Michael Seymour. The Postmaster General apparently could not confirm the continuing validity of the 1891 agreement, but accepted the copy the FR had, between the FR Co. and the G.P.O., was still valid, and the service was reinstated on 28 May 1969.