
Your extended Form 1120-S deadline passed, but the return is still unfinished. The late S corporation return penalty may grow by penalty month and multiply by every shareholder. Here is how the calculation works, what other charges may apply, and what the business should do next.

You hired extra help for the holiday rush and treated the workers as contractors. But temporary work, Form W-9, and Form 1099-NEC do not settle the classification. Here is how the IRS may decide whether those workers were independent contractors or employees.

A CP2000 notice may say you forgot income and owe more tax. The IRS may have identified a real mismatch, but that does not mean its proposed calculation tells the whole story. Here is how to review the notice, determine what is correct, and respond before the deadline.

The business owner treated company bank accounts like personal accounts. When the records did not explain the deposits, the IRS reconstructed the income. Here is what the case teaches small-business owners about mixed funds, missing records, and proving that a deposit was not taxable.

Still holding your Opportunity Zone investment? The original deferred gain may become taxable for 2026 even without a sale. Here is what investors should review now and what to consider if the resulting tax bill is difficult to pay.

Federal taxes come out of every paycheck, so an unexpected request for estimated tax payments can be confusing. Learn why W-2 employees may still need to pay during the year, how underpayment penalties arise, and what to do if a payment was missed.

Company cars, gift cards, meals, phones, and other employee perks can create payroll problems when they are treated as tax-free without checking the rules. Here is what employers should know, what records matter, and what to do if the IRS has already raised questions.