Understanding your CP113 notice

We made changes to your railroad retirement tax return because we believe there was a miscalculation. You now have an overpayment on your account.
General Information
Individuals

U.S. taxpayers residing in the United States

U.S. taxpayers residing in the United States -- Streamlined domestic offshore procedures
General Information
Nonresidents

Disaster relief: search for qualified charitable donees

ob体育 can I find out whether an organization is listed with the IRS as a qualified charitable organization eligible to receive tax-deductible contributions?
General Information
Charities and Nonprofits

About Form 990-EZ, Short Form Return of Organization Exempt from Income Tax

Information about Form 990-EZ, Short Form Return of Organization Exempt from Income Tax, including recent updates, related forms, and instructions on how to file. Certain organizations file Form 990-EZ to provide the IRS with the information required by section 6033.
General Information
Trusts and Estates, Charities and Nonprofits

Disaster services referral guide

Information contained here was designed to help volunteers, who are part of IRS's Volunteer Return Preparation sites, assist taxpayers this filing season.
General Information
Volunteer Preparers

Understanding your CP51B notice

We computed the tax on your Form 1040, 1040A or 1040EZ. You owe taxes.
General Information
Individuals

Political organization filing requirements: Penalties for failing to make Forms 990 publicly available

Political Organization Filing Requirements: Penalties for Failing to Make Forms 990 Publicly Available
General Information
Charities and Nonprofits

Lookback period

Meaning of "lookback period" referred to in Internal Revenue Code section 4958.
General Information
Charities and Nonprofits

Grant-making foundations

Description of grant-making foundations.
General Information
Charities and Nonprofits

Organizations subject to unrelated business income tax

Organizations subject to unrelated business income tax under IRC 511
General Information
Charities and Nonprofits