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

Date: 
Repeats every month on the 10 of February, March, April, May until Thu May 10 2018 except Sat Feb 10 2018, Sat Mar 10 2018. Also includes Mon Feb 12 2018, Mon Mar 12 2018.
January 10, 2018
February 12, 2018
March 12, 2018
April 10, 2018
May 10, 2018