Contact: Mark Church, Chief Elections Officer & Assessor-County Clerk-RecorderAlternate: David Tom, Elections Division Manager (Redwood City, CA) The ballot application period opens April 4th and will remain open through June 3rd for military and overseas voters participating in the Statewide Direct Primary Election, according to Mark Church, Chief Elections Officer & Assessor-County Clerk-Recorder. San Mateo County voters who are: