Below are resources for starting and maintaining your nonprofit organization (a.k.a. NPO, not-for-profit organization, public service organization or 501(c)3 corporation) in compliance with IRS and other laws.
- Internet Nonprofit Center (INC)
Fabulous set of links to a huge number of nonprofit issues, including organization, management, regulation, development (fundraising and such), and general resources. THIS IS PROBABLY THE ONLY LINK YOU NEED.