As secretary of state, Cortes served as the state's top election official. His departure comes a week after State Rep. Daryl Metcalfe, chairman of the House State Government Committee, and 15 of his colleagues sent Cortes a letter "to express our dire concerns" about the disclosure three weeks ago that legal resident noncitizens in Pennsylvania had been offered the chance to register to vote while applying for or renewing drivers' licenses at PennDot service centers.