DC Office of Tax and Revenue

This website provides an easy access to data that informs taxpayers about their liabilities, gives clear, timely information on tax obligations and informs about multiple ways to file tax returns and pay taxes due. 

Publication 78, Cumulative List of Organizations Described in Section 170(c)

Publication 78, Cumulative List of Organizations described in Section 170(c) of the Internal Revenue Code of 1986, is a list of organizations eligible to receive tax-deductible charitable contributions.  This online version will help you to conduct a more efficient search of these organizations.

Forms and Instructions

Electronic Filing

Maryland Charitable Organization Division

The Charitable Organization Division annually registers, regulates and renews charitable organizations, professional solicitors and fund-raising counsel doing business in the State of Maryland.  This website includes the review of a charitable organization's financial and governing documents, as well as the review of all fund-raising contracts. 

Virginia Department of Taxation

A great online resource that offers a variety of services to make filing and paying your taxes fast, easy and secure.  Also contains a comprehensive Tax Policy Library and e-forms for individual and business tax filings.

Council on Foundations

The Council on Foundations, a nonprofit membership association of grantmaking foundations and corporations, is a great guide to more than 1,750 independent, operating, community, public, and company-sponsored foundations and corporate giving programs in the United States and abroad.

Greater DC Cares

Greater DC Cares works with a network of more than 800 nonprofits, 32 000 volunteers and a host of corporate and foundation partners working together to positively impact communities and the key issues in the Greater DC Region.

National Council of Nonprofits

The  nation's largest network of state and regional nonprofit associations helping small and midsize nonprofits manage and lead more effectively. 

Urban Institute's Center on Nonprofits and Philanthropy

The Center on Nonprofits and Philanthropy (CNP) conducts and disseminates research on the role and impact of nonprofit organizations and philanthropy.

American Society of Association Executives

The American Society of Association Executives (ASAE) is the membership organization and voice of the association profession with network of more than 22,000 association CEOs, staff professional, industry partners and consultant members. 

GuideStar

GuideStar is a central source of information on U.S. nonprofits specializing in reporting and containing a database of over 5 million IRS Forms 990 filings on 1.9 million organizations.

Charity Navigator

Charity Navigator is the largest independent charity evaluator that provides free financial evaluations of America's charities.

Compass Point

Formerly the Support Center for Nonprofit Management, the Compass Point helps nonprofits utilize the management tools and concepts to help them best service their communities through teaching, coaching, consulting, and peer learning.

Life Cycle of an Exempt Organization

This website provides information about points of intersection between organizations and the IRS.  The content includes explanatory information, and links to forms that an organization may need to file with the IRS. The materials cover five stages in an organization's life cycle: Starting Out, Applying for Exemption, Required Filings, Ongoing Compliance and Significant Events.