This handy comprehensive checklist to help nonprofit 501(c)(3) organizations stay up-to-date with annual filing requirements. 7. File the initial registration form (Form CT-1) with the California Attorney General's Registry of Charities and Fundraisers.Any individual or group of persons who operates a charitable organization, but does not create a nonprofit corporation or a trust, may be treated under. 501(c)(3) nonprofits apply using Form 1023 or Form 1023-EZ. California Nonprofit Compliance. Required annual filings. All nonprofits must file a Statement of Information with the Secretary of State every two years. Search organizations. Annual filing and forms. There are no minimums.