Publication 557 is indispensable for non-profit founders, board members, and tax professionals. However, because it is technical, it is highly recommended to use this in conjunction with professional legal or tax advice, rather than in isolation.
I can focus the review on the sections most relevant to you. Publication 557 (Rev. January 2025) - IRS and tax professionals. However
Review: IRS Publication 557 (Tax-Exempt Status for Your Organization) ⭐⭐⭐⭐⭐ (Essential Resource) because it is technical
Explains the obligations of tax-exempt organizations to disclose their exemption applications and annual returns to the public. Areas for Improvement etc.). As a government document
It clearly outlines the requirements for various exemption types (501(c)(3), 501(c)(4), social clubs, etc.).
As a government document, the legal jargon can be overwhelming for laypersons.