Comprehensive 2025 Tax Calendar: Essential Deadlines for Businesses, Tax Professionals, and Individuals to Remember.

The IRS filing deadlines for key forms like 1099, W-2, 940, 941, and 1095 in the 2024 tax year are important to ensure timely compliance with reporting requirements for various types of income, taxes, and health coverage.

reading time: 25 minute(s)

Stay ahead of the game in 2025 by marking your calendar with the essential IRS filing deadlines for key tax forms such as 1099, W-2, 940, 941, and ACA 1095. These forms are critical for accurate tax reporting, and failing to meet the deadlines could result in penalties that can affect your finances and your business’s reputation.

The first four months of the year are particularly crucial, encompassing the significant deadlines for individuals, businesses, LLCs, corporations, and other entities. Preparing during this period sets the foundation for a smooth tax season and compliance with IRS regulations.

This blog will explore the key filing deadlines for these forms and ensure you stay organized to meet your filing obligations on time. Let’s dive in and ensure you’re fully prepared for the year ahead!

Key IRS Deadlines for 2025

Use this guide to help you manage your tax responsibilities, but consult with your tax professional or the IRS for any business-specific deadlines.

For a more comprehensive list, the IRS publishes a detailed tax calendar (Publication 509) that includes every filing deadline, including excise taxes and payroll tax deposit schedules.

You may qualify for extended filing deadlines in a federally declared disaster area (such as those affected by floods, fires, or hurricanes). The IRS lists designated disaster areas and any applicable relief measures.

This table explains the key deadlines for various IRS forms, including extensions, payments, and reporting for businesses and individuals.

January 31, 2025 – A Crucial Day for Year-End Filing

January 31, 2025, marks a significant deadline for various IRS tax forms. It is the final day to distribute recipient copies of various information returns and submit employment tax filings for the previous year. Staying on top of these requirements is essential to ensure compliance and avoid penalties.

Here is the list of forms that are due on January 31, 2025.

FormDeadlineDeadline Applies For
Form 1099-NECJanuary 31, 2025Recipient copy distribution & electronic filing with the IRS
Form 1099-MISCJanuary 31, 2025Recipient copy distribution
Form 1099-KJanuary 31, 2025Recipient copy distribution
Form 1099-INT & Other 1099 forms (A, G, DIV, R, LTC, OID, PATR)January 31, 2025Recipient copy distribution
Form W-2January 31, 2025Employee copy distribution & electronic filing with the SSA
Form 3921January 31, 2025Recipient copy distribution
Form 3922January 31, 2025Recipient copy distribution
Form 941, 941-PR, 941-SS, 941-SP January 31, 2025 4th Quarter
Form 940January 31, 2025Year-End Filing 
Form 943, 944, 945January 31, 2025Year-End Filing

February 2025 – Focus on 1099 and ACA Reporting Deadlines

February is another key month for tax compliance, focusing on providing recipient copies of select forms and meeting paper filing deadlines. Staying proactive will help you maintain compliance and avoid last-minute stress.

FormFiling DeadlineDeadline Applies For
1099-B, 1099-S, & 1099-MISC (if amounts are reported on box 8 or 10)February 18, 2025Furnishing recipient copies
Form 1099-MISC, 1099-INT, DIV, A, K, PATR, R,S, OIDFebruary 28, 2025IRS Filing – Paper
ACA 1094/1095-B/C February 28, 2025IRS Filing – Paper

March 2025 – Key Deadlines for Partnerships, S Corporations, and ACA Forms

March has critical deadlines for partnerships, S corporations, and ACA reporting. By March 17, partnerships must file Form 1065 and provide partners with their Schedule K-1. S corporations also have until March 17 to file their 1120-S returns. Additionally, Forms 1042 and 1042-S are due on this date. In addition, the ACA e-filing deadline falls on March 31, 2025.

FormFiling DeadlineDeadline Applies For
1094/1095-B/CMarch 3, 2025Distribute federal employee copies
Form 1042March 17, 2025Electronic & Paper Filing
Form 1042-SMarch 17, 2025Recipient Copy Distribution & Electronic filing with the IRS & State.
Form 1065March 17, 2025Businesses registered as Partnership
Form 1120-SMarch 17, 2025Businesses registered as S Corporations
ACA 1094/1095-B/CMarch 31, 2025IRS Filing – Electronic
Form 1098-TMarch 31, 2025
IRS Filing – Electronic
Form 3921March 31, 2025
IRS Filing – Electronic
Form 3922March 31, 2025
IRS Filing – Electronic

April 2025 – Individual and Corporate Filing Deadlines

April brings Tax Day, a significant date for individual and corporate taxpayers in the United States. Falling on April 15, Tax Day is the final deadline for most individuals to file their 2024 federal income tax returns. It is also a crucial deadline for C corporations to submit their tax filings and settle any owed taxes.

For those needing extra time, April 15 also serves as the deadline to file Form 4868, which grants an automatic six-month extension to complete and submit Form 1040. However, it’s essential to remember that an extension only delays the filing process, not the payment of taxes owed.

As the month progresses, businesses must focus on the first quarter Form 941 filing, due by April 30.

FormFiling DeadlineDeadline Applies for
Form 1040/ 1040-SRApril 15, 2025Individuals and senior citizens are to file income taxes with the IRS.
Form 1120April 15, 2025Businesses Registered as Corporation
Form 941, 941-PR, 941-SS, 941-SP April 30, 2025First Quarter Filing

May 2025: Key Deadlines for Nonprofits and Form 5498

May is important for calendar-year tax-exempt organizations and certain IRA and savings accounts reporting. Nonprofits that operate on a calendar-year basis must file their Form 990 series by May 15, 2025. This annual information return is critical for maintaining tax-exempt status and providing transparency.

For other taxpayers, May also includes the deadline to file Form 5498 and related forms, such as Form 5498-SA and 5498-ESA. These forms report contributions to IRAs, Health Savings Accounts (HSAs), and Coverdell Education Savings Accounts (ESAs).

FormFiling DeadlineDeadline Applies for
Form 990 SeriesMay 15, 2025Nonprofits that operate on a calendar year must submit their annual return.
Form 5498, 5498-SA, and 5498-ESAMay 31, 2025Electronic Filing with the IRS

Deadlines for the Rest of the Year

While the latter half of the year has fewer deadlines, a few key filing dates remain for businesses and organizations. Staying informed about these ensures continued compliance.

FormFiling DeadlineDeadline Applies for
Form 941, 941-PR, 941-SS, 941-SP July 31, 2025Second Quarter Filing 
Form 941, 941-PR, 941-SS, 941-SP October 31, 2025Third Quarter Filing 

By maintaining awareness of these deadlines, you can avoid penalties and ensure that your filings are accurate and timely.

Extension

When tax deadlines approach, the pressure to gather all necessary documents, verify details, and ensure compliance with tax regulations can be overwhelming. In such situations, filing for an extension can provide much-needed relief by granting additional time to complete your tax returns accurately and thoroughly. This extra time is particularly beneficial if you are waiting on critical information, dealing with complex tax scenarios, or simply require more time to review and organize your financial data. Extensions help you avoid the stress and potential errors that come with last-minute filing and reduce the likelihood of incurring penalties for filing an incomplete or incorrect return. 

FormPurposeExtension PeriodApplicable ToImportant Notes
Form 7004Business Tax ExtensionUp to 6 monthsBusiness tax forms (e.g., partnership, corporation)Provides more time to file but not to pay taxes owed.
Form 4868Personal Tax ExtensionUp to 6 monthsIndividual tax returns (Form 1040)It grants time to file, but taxes must still be paid by the original due date.
Form 8809Information Returns Extension30 daysInformation returns (e.g., Forms 1099, W-2, 1095)An additional extension is subject to IRS approval and does not delay payment obligations for associated taxes.
Form 8868Nonprofit Tax ExtensionUp to 6 monthsNonprofit organizations filing Form 990, 990-EZ, or 990-PFDo not extend the deadline to pay any taxes due.


State Filing Deadlines

While the above-mentioned deadlines focus on federal filings, state filing requirements for 1099, W-2, ACA, and other forms can vary significantly. Some states align their deadlines with federal due dates, while others set different timelines. Additionally, states may have specific mandates for direct filing with their agencies and may require supplementary or reconciliation forms.

For example, in the District of Columbia, the deadline to file various tax forms, including Form 1099-NEC, MISC, K, INT, DIV, B, R, G, OID, W-2G, along with the additional Form WT, is January 31, 2025. Additionally, the deadline for filing Forms 1094 and 1095-B/C with the District of Columbia is March 31, 2025.

Click here to learn more about the state filing deadlines for Form 1099, W-2, and ACA 1095-B/C.

Conclusion: Stay Organized and Prepared

The 2024 tax year brings several important filing deadlines for businesses, tax professionals, and individuals. Keeping track of the deadlines for forms such as 1099, W-2, 941, 940, 990, and ACA forms is essential for maintaining compliance and avoiding penalties.

You can ensure a smooth tax season for yourself or your business by staying ahead of these deadlines. Here’s where TaxBandits comes into play. We help you to manage these filings and avoid any potential pitfalls. Remember, preparation is the key to making the 2024 tax season easy!

Get started with TaxBandits today to make this year-end tax season stress-free!


More Reading

Post navigation

Leave a Comment

Leave a Reply

Your email address will not be published. Required fields are marked *