File a C-3 report for each bank deposit made in the previous month and a C-4 report that covers the period through the previous month.  (February and April ballot measure committees have different reporting deadlines.)

Date: 
Repeats every month on the 10 of February, March, April until Mon May 11 2020. Also includes Mon May 11 2020.
January 10, 2020
February 10, 2020
March 10, 2020
April 10, 2020
May 11, 2020