The following page on the official Social Security web site should be helpful to you:http://ssa-custhelp.ssa.gov/cgi-bin/ssa.cfg/php/enduser/std_alp.php?p_li=&p_page=1&p_cv=2.62&p_pv=&p_prods=&p_cats=3%2C62&p_hidden_prods=&cat_lvl1=3&cat_lvl2=62&p_search_text=&p_new_search=1&p_search_type=answers.search_nlYou can also contact Social Security directly to insure a correct response to your important quesiton. You can locate your local office here: https://secure.ssa.gov/apps6z/FOLO/fo001.jsp You can also call the toll-free Social Security number 1-800-772-1213