Tax Penalty Pages

2025 Tax Day Deadline Explained

IRS late filing and/or late payment penalties and how important is the IRS Tax Deadline of April 15 and/or October 15 for a given tax year?

  • If a taxpayer does not owe taxes tax penalties do not apply
  • If a taxpayer owes taxes by April 15 file at least an extension to avoid late filing penalties until October 15
  • Use the IRS Penalty Calculator to determine late filing, late payment and interest penalties.
When is The IRS Tax Return Deadline? What if You Miss the April 15 Deadline With a Refund or Owe?

By Taxpert

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