keshigomu.san

"In those instances in which a student accepts an offer before April 15, and subsequently desires to withdraw that acceptance, the student may submit in writing a resignation of the appointment at any time through April 15." -Council of Graduate Schools Resolution (http://www.cgsnet.org) You only need written consent if you let it lapse past April 15th. The problem of how to write a diplomatic withdrawal letter remains, though...