INTERNATIONAL EARTH ROTATION SERVICE (IERS) SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE SERVICE DE LA ROTATION TERRESTRE OBSERVATOIRE DE PARIS 61, Av. de l'Observatoire 75014 PARIS (France) Tel. 33 (0) 1 40 51 22 26 FAX 33 (0) 1 40 51 22 91 Internet: iers@obspm.fr Paris, 19 January 2001 Bulletin D 85 ANNOUNCEMENT OF DUT1 From the 01 March 2001, 0h UTC until further notice, the value of DUT1 to be disseminated with the time signals will be DUT1 = +0.0 s Bulletin D 86 should be issued in May 2001.