Quarterly estimated tax payments apply to individuals and businesses whose income is not fully covered by withholding.

Estimated tax payments are taxes due to the IRS throughout the year to account for earnings that are not subject to federal ...

Ready to mail your third-quarter estimated tax payment? Mailing addresses for some Forms 1040-ES have changed.

Just like individuals, businesses have to pay taxes too. However, the due date for when you file depends on how your business is structured. Plus, many businesses pay estimated taxes each quarter.