A Nonprofit Membership Form Template is a form template designed to streamline the membership process for nonprofit organizations. This form is designed to assist nonprofit organizations that have chosen to incorporate in California and the pro bono attorneys who represent them.Find forms, samples and fees for most business entity filings here. Check out these best practices, awesome examples, and a free template! This handy comprehensive checklist to help nonprofit 501(c)(3) organizations stay up-to-date with annual filing requirements. To form a Nonprofit Public Benefit. Starting a nonprofit in California? From appointing your board members to registering for charitable fundraising, here's a step-by-step guide. This handy comprehensive checklist to help nonprofit 501(c)(3) organizations stay up-to-date with annual filing requirements. Vendor Registration Packet.