Mastering Tax Notices: 20 IRS & State Notices Explained  

Mastering Tax Notices: 20 Notices Every Business Should Know

Every tax notice comes with a deadline, and missing one can turn a simple fix into penalties, interest, and a stack of follow-up notices. This guide explains 20 notices businesses commonly receive from the IRS and from state and local agencies. For each one, you'll learn what it means, what to do next, and how much time you have to respond. It's written for corporate tax teams, payroll providers, PEOs, and CPA firms who want to handle every notice with confidence.

What's inside:

• How to read any notice, from the notice number and tax period to the response deadline
• 20 notices, grouped into balance due and penalties, return changes, collections, and payroll and employment
• Plain-language explanations and next steps for each notice, including key deadlines
• Ways to reduce or remove penalties, such as first-time abatement and reasonable cause
• A one-page quick reference table of all 20 notices
• A six-step process for turning notice handling into a repeatable workflow