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.)

Repeats every month on the 10 of February, March, April, May until Wed May 10 2017.
January 10, 2017
February 10, 2017
March 10, 2017
April 10, 2017
May 10, 2017