José Manuel González-Páramo, a Spanish member of the Executive Board since June 2004, was due to leave the board in early <answer>June 2012</answer> and no replacement had been named as of late May 2012. The Spanish had nominated Barcelona-born Antonio Sáinz de Vicuña, an ECB veteran who heads its legal department, as González-Páramo's replacement as early as January 2012 but alternatives from Luxembourg, Finland, and Slovenia were put forward and no decision made by May. After a long political battle, Luxembourg's Yves Mersch, was appointed as González-Páramo's replacement.
When was González-Páramo's supposed to leave his seat on the board?
June 2012