CA Gov't Code Section 86117

(a)

Reports required by Sections 86114 and 86116 shall be filed during the month following each calendar quarter. The period covered shall be from the first day of January of each new biennial legislative session through the last day of the calendar quarter prior to the month during which the report is filed, except as specified in subdivision (b), and except that the period covered shall not include any information reported in previous reports filed by the same person. When total amounts are required to be reported, totals shall be stated both for the period covered by the statement and for the entire legislative session to date.

(b)

The period covered by the first report a person is required to file pursuant to Sections 86114 and 86116 shall begin with the first day of the calendar quarter in which the filer first registered or qualified. On the first report a person is required to file, the total amount shall be stated for the entire calendar quarter covered by the first report.