Tax Tips & More

Best Practices

Best Practices When E-Filing Returns

Avoid future problems by following these best practices for e-filing.

Mistakes

Common Mistakes in Tax Preparation

Avoid errors that can occur when preparing tax returns by learning these common mistakes.

Audit

What Are Your Chances of Being Audited?

These red flags could increase your chances of the IRS selecting your return for audit.

March 2026 Tax Due Dates

  • March 2: Farmers and fishermen file 2025 tax return to avoid penalty if estimated tax not paid by January

  • March 10: Tips for February 2026 reported to employer

  • March 16: S-Corporations and partnerships file 2025 business tax returns

April 2026 Tax Due Dates

  • April 1: First required minimum distribution (RMD) by individuals who turned 73 in 2025

  • April 10: Tips for March 2026 reported to employer

  • April 15: 2025 tax return and pay tax due

  • April 15: File Form 4868 to request six-month income tax return filing extension (payment of tax not extended)

  • April 15: File Schedule H (1040) and pay employment taxes for household employees (file separately if Form 1040 is not filed)

  • April 15: Estimated tax payment for first quarter of 2026

  • April 15: Contribute to individual retirement account (IRA) for 2025

  • April 15: Withdraw excess IRA contributions in 2025 to avoid penalty if filing of form 1040 was not extended

  • April 15: Contribute to health savings account (HSA) for 2025

  • April 15: Contribute to solo 401(k) plan or simplified employee pension (SEP) plan for 2025 by self-employed if filing of form 1040 was not extended

  • April 15: File 2022 tax return (Form 1040) to request unclaimed tax refund for the 2022 tax year

May 2026 Tax Due Dates

  • May 11: Tips for April 2026 reported to employer (Form 4070)

  • May 15: Deadline for certain tax-exempt organizations on a calendar-year basis to file Form 990 series