C-3 Contribution Reports: Before June 1 of the election year, candidates fill out a C-3 report for each bank deposit and file these reports with their C-4 reports. Beginning June 1, each deposit must be reported no later than the following Monday. Since contributions must be deposited within 5 business days of receipt, active campaigns will make at least one weekly deposit.
C-4 Summary Reports: This report, along with its attached schedules, summarizes the campaign's financial activity and shows itemized expenditures for a specific period. C-4s are due:
Monthly from the beginning of the campaign through May of the election year. If a campaign has over $200 in contributions or expenditures during a month, a C-4 report is filed by the 10th of the following month. Starting in June of the election year and continuing through the primary and general elections, C-4 reports are due 21 and 7 days before each election and on the 10th of the month after the month the election was held with the candidate's name on the ballot, even if there was little or no activity to report.
See the PDC's online calendar for report due dates and all other important dates candidates should know.