Guides
How To File Your Tax Court Petition: A Step-by-Step Guide
A complete walkthrough of filing your Tax Court petition through DAWSON or by mail—forms, fees, deadlines, and mistakes to avoid.
Latest
Guides
Collection Due Process Hearings: Your Right To Challenge IRS Liens and Levies
If the IRS files a lien or threatens to levy your property, you have 30 days to request a hearing that can put a levy on hold and open up alternatives. Here's how CDP hearings work.
Cases
Fifth Circuit Rejects IRS 'Passive Investor' Test for Limited Partners
The Fifth Circuit rejected the Tax Court's 'passive investor' test for limited partners, then rewrote its ruling in August 2026: if you play a significant role in running the business, limited liability isn't enough.
Guides
How IRC § 6213 Protects You While Your Tax Court Case Is Pending
Once you file a timely Tax Court petition, the IRS cannot assess or collect the disputed tax until the Tax Court's decision becomes final—though if you appeal, it can collect unless you post a bond. Here's how this statutory protection works.
Guides
What Happens After IRS Appeals Denies Your Case
Your IRS Appeals case was denied. Here's what the Notice of Deficiency means and how the 90-day clock to Tax Court works.
Guides
You Missed the 90-Day Deadline. Now What?
You received a Notice of Deficiency. The 90-day deadline passed. The IRS assessed the tax. Here's what you can still do.
Guides
Small Case or Regular Case: Which Should You Choose?
If your dispute is $50,000 or less, you can choose simplified procedures—but you give up the right to appeal. Here's how to decide.
Cases
IRS Tried to Dismiss an E-Filed Petition Over the Signature. The Tax Court Said No.
The IRS argued an e-filed petition wasn't valid because it lacked a handwritten signature. The Tax Court disagreed.
Guides
You Just Got a 90-Day Letter From the IRS. Here's What It Means.
A 90-day letter is your ticket to Tax Court—and your deadline to use it. Here's what it means and what to do next.