Contact: Mark Church, Chief Elections Officer & Assessor-County Clerk-RecorderAlternate: Jim Irizarry, Assistant Chief Elections Officer & Assessor-County Clerk-Recorder (Redwood City, CA) The period to file as a write-in candidate in the March 3, 2020 Presidential Primary Election begins Monday, January 6, 2020. Eligible persons seeking to run as a write-in candidate must file a Statement of Write-in Candidacy and other documentation by 5 p.m. on Tuesday, February 18, 2020.