COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF STATE BUREAU OF COMMISSIONS, ELECTIONS AND LEGISLATION 2010 PENNSYLVANIA ELECTIONS - IMPORTANT DATES TO REMEMBER   NOTE:  All dates in this calendar are subject to change without notice in the event of passage of amendatory legislation. February 16 First day to circulate and file nomination petitions March 9 Last day to circulate and file nomination petitions March 10 First day to circulate and file nomination papers March 24 Last day for withdrawal by candidates who filed nomination petitions April 19 Last day for REGISTER before the primary May 11 Last day to apply for a civilian absentee ballot May 14 Last day for County Board of Elections to receive voted civilian absentee ballots May 18 PRIMARY May 19 First day to REGISTER after primary May 25   Last day for County Boards of Elections to receive voted military and overseas absentee ballots (must be postmarked no later than May 17) August 2 Last day to circulate and file nomination papers August 9 Last day for withdrawal by candidates nominated by nomination papers August 9 Last day for withdrawal by candidates nominated at the primary October 4 Last day to REGISTER before the NOVEMBER election October 26 Last day to apply for a civilian absentee ballot October 29 Last day for County Boards of Elections to receive voted civilian absentee ballots November 2 GENERAL ELECTION November 3 First day to REGISTER after November election November 9 Last day for County Boards of Elections to receive voted military and overseas absentee ballots (must be postmarked no later than November 1) Note:  All dates in this calendar are subject to change without notice.