Washington, DC is the nonprofit capital of the country. Roughly 30,000 nonprofits are headquartered here, including most major trade associations (the American Bar Association, the American Medical Association, the AARP), foundations (the Carnegie Endowment, the Brookings Institution, the National Geographic Society), advocacy organizations across the political spectrum, and the policy infrastructure of nearly every issue area. The IRS Exempt Organizations division (Cincinnati and DC), Treasury Office of Tax Policy, and Joint Committee on Taxation all weigh in on the regulatory framework from DC.
DC nonprofit work clusters into five common needs. Formation — nonprofit corporation under DC Nonprofit Corporation Act of 2010 (DC Code § 29-401.01 et seq.), bylaws, conflict-of-interest policy, IRS Form 1023 or 1023-EZ for 501(c)(3) status, IRS Form 1024 for 501(c)(4)/(5)/(6)/etc., DC Office of Tax and Revenue exemption, DC AG registration. Governance — board policies, executive-compensation review under IRC § 4958 intermediate sanctions, fiduciary-duty training, conflict-of-interest audits. Lobbying and political activity — 501(c)(3) lobbying limits and the 501(h) election, 501(c)(4) social-welfare political activity, FEC and DC Office of Campaign Finance registration, foreign-agent and lobbying disclosure (LDA, FARA). Transactions — mergers, joint ventures with for-profits, large gifts and pledges, real estate. Crisis — IRS audits, DC AG inquiries, donor-fund disputes, governance failures.
Lobbying and political-activity rules are uniquely complex for DC-headquartered nonprofits. 501(c)(3) organizations face strict lobbying limits under IRC § 501(c)(3) (no substantial part of activities) and may elect the 501(h) expenditure test for clearer safe-harbor compliance. 501(c)(4) organizations have broader lobbying latitude but face political-activity restrictions and may need to track Section 162(e) deductibility issues. DC-registered lobbyists must comply with the federal Lobbying Disclosure Act (LDA), and foreign-funded advocacy must comply with the Foreign Agents Registration Act (FARA). DC nonprofit lawyers routinely advise on the line between permissible advocacy and prohibited political-campaign intervention.