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March 15 Tax Deadline: What Business Owners Need to Know

Published 1 day ago • 1 min read

March 15 Tax Deadline: What Business Owners Need to Know

Tax season is here, and an important deadline is approaching quickly. While many people focus on the April 15 tax deadline, some business owners actually have an earlier filing date that often gets overlooked.
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March 15 is the deadline for certain business tax returns.

If your business is structured as a Partnership or an S Corporation, your 2024 business tax return must be filed by March 15, 2025.

Why is this deadline earlier?

Partnerships and S Corporations must file earlier because they provide Schedule K 1 forms to the owners of the business. These forms show each owner’s share of income and are needed to complete personal tax returns. Filing the business return first ensures owners have the information they need before the personal tax deadline.

Here is a simple breakdown of the tax deadlines.

March 15​
​Business tax returns​
Applies to Partnerships and S Corporations

April 15​
​Personal tax returns​
Applies to Individuals and Sole Proprietors

For example, if you and your spouse own a rental property through an LLC taxed as a partnership, your business return is due March 15. Your personal return, where you report that income, is still due April 15.

What if you are not ready by March 15?

You still have two options.

File an extension. This gives you until September 15 to file your business return. However, if taxes are owed, they still need to be estimated and paid by March 15 to avoid penalties.

Send your information now. If we receive your documents soon, we can still prepare and file your return on time.

Real estate investors should also be aware of how their properties are structured.

If your rental property is owned in your personal name, your tax deadline is April 15.
If the property is owned through an LLC taxed as a partnership, the deadline is March 15.

If the March 15 deadline applies to you, please send the following information as soon as possible.

Final 2024 Profit and Loss statement
Year end balance sheet
All 1099 forms issued
Any K 1 forms from other businesses you own

If you are unsure whether this deadline applies to you, simply reply to this email with "March 15" and we will confirm your filing requirement.

We are here to help you stay compliant and avoid unnecessary penalties this tax season.

Best regards,
​RSK Tax and Consulting, LLC

520 White Plains Road Suite 500 Tarrytown NY, 10591
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