Taxpayers who owed additional tax when they filed their federal return earlier this year should do a “paycheck checkup” as soon as possible.

Anyone with tax questions can just grab their phone for answers. The IRS has a mobile app, IRS2Go, which is available for free to use on Android and iOS devices. It’s also available on Amazon. Taxpayers use the app to:

Every year the IRS mails millions of letters to taxpayers for many reasons. Here are some tips and suggestions for taxpayers who receive one:

Whether it’s tax time or summertime, taxpayers have fundamental rights under the law when they interact with the IRS. The Taxpayer Bill of Rights presents these rights in 10 categories.

WASHINGTON – With tax reform bringing major changes for the year ahead, the Internal Revenue Service today reminded self-employed individuals, retirees, investors and others who need to pay their taxes quarterly that the second estimated tax payment for 2018 is due on Friday, June 15, 2018.