IRS Completes the "Dirty Dozen" Tax Scams for 2015 IR-2015-26, Feb. 9, 2015 — The IRS wrapped up the 2015 "Dirty Dozen" list of tax scams today with a warning to taxpayers about aggressive telephone scams continuing coast-to-coast during the early weeks of this year's filing season. Frivolous Tax Arguments Completes the IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-23, February 6, 2015 — The IRS today wrapped up its 2015 “Dirty Dozen” tax scams list by warning taxpayers against using frivolous tax arguments to avoid paying their taxes. Excessive Claims for Fuel Tax Credits Make the IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-21, Feb. 5, 2015 — The IRS today warned that taxpayers should watch for improper claims for fuel tax credits, one of the “Dirty Dozen” tax scams for the 2015 filing season. Falsifying Income to Claim Tax Credits Hits the IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-20, Feb. 4, 2015 — The IRS today warned taxpayers about schemes to erroneously claim tax credits is on the annual list of tax scams known as the “Dirty Dozen” again for the 2015 filing season. Abusive Tax Shelters Again on the IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-19, Feb. 3, 2015 — The IRS today said using abusive tax shelters and structures to avoid paying taxes continues to be a problem and remains on its annual list of tax scams known as the “Dirty Dozen” for the 2015 filing season. Filing Fake Documents to Hide Income Is Again on the IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-18, Feb. 2, 2015 — Hiding taxable income by filing false Form 1099s or other fake documents is a tax scam, appearing on the 2015 list of "Dirty Dozen" schemes, that taxpayers should always avoid and guard against, the IRS said today. Fake Charities Among the IRS “Dirty Dozen” List of Tax Scams for 2015 IR-2015-16, Jan. 30, 2015 — The IRS today warned taxpayers about groups masquerading as charitable organizations to attract donations from unsuspecting contributors, one of the “Dirty Dozen” tax scams for the 2015 filing season. Inflated Refund Claims Remain on the IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-12, Jan. 29, 2015 — The IRS today warned taxpayers to be on the lookout for unscrupulous tax return preparers pushing inflated tax refund claims. Taxpayers should be wary of anyone who asks them to sign a blank return, promises a big refund before looking at their records, or charges fees based on a percentage of the refund. Hiding Money or Income Offshore Among the “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-09, Jan. 28, 2015 — The IRS today said avoiding taxes by hiding money or assets in unreported offshore accounts remains on its annual list of tax scams known as the “Dirty Dozen” for the 2015 filing season. Return Preparer Fraud Hits IRS Annual “Dirty Dozen” List of Tax Scams to Avoid During the 2015 Filing Season IR-2015-08, Jan. 27, 2015 — The IRS today warned taxpayers to be on the lookout for unscrupulous return preparers, one of the most common “Dirty Dozen” tax scams seen during tax season. Identity Theft a Major Concern on the IRS Annual “Dirty Dozen” List of Tax Scams to Avoid IR-2015-07, Jan. 26, 2015 — The IRS today issued a filing season alert warning taxpayers to watch out for identity theft at tax time, one of the year’s “Dirty Dozen” tax scams. Phishing Remains on the IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-06, Jan. 23, 2015 — The IRS today warned taxpayers to watch out for fake emails or websites looking to steal personal information. Phone Scams Continue to be Serious Threat, Remain on IRS “Dirty Dozen” List of Tax Scams for the 2015 Filing Season IR-2015-05, Jan. 22, 2015 — Aggressive and threatening phone calls by criminals impersonating IRS agents remain near the top of the annual "Dirty Dozen" list of tax scams for the 2015 filing season, the Internal Revenue Service announced today.