State and local party committees that don’t engage in reportable Federal Election Activity file semi-annually by default in non-election years but can change filing frequency (for example, from semi-annually to monthly) up to once a calendar year. To change filing frequency, your treasurer must first notify the FEC:
11 CFR 300.36(c)(1) Reporting Federal Election Activity; Schedule
This information is not intended to replace the law or to change its meaning, nor does this information create or confer any rights for or on any person or bind the Federal Election Commission or the public.
The reader is encouraged also to consult the Federal Election Campaign Act of 1971, as amended (52 U.S.C. 30101 et seq.), Commission regulations (Title 11 of the Code of Federal Regulations), Commission advisory opinions and applicable court decisions.