do ecnr stamp required on 1st renewed

i renew my passport on may 2012 after my expiration is due on december 2012. i am a seaman and work for last 7 years on ship in different water of different countries. i have not seen the ecnr stamp not the ecnr page on my newly renewed passport, i already have ecnr stamp on my previous passport, do ecnr stamp not required on 1st renewed passport after 10 years of expiration,