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Top 5 Mistakes to Avoid When Filing Your Delaware Franchise Tax Report

January 8, 2026
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For every Delaware corporation, filing the Annual Franchise Tax Report is a mandatory part of maintaining good standing. While the process may seem routine, several common and easily avoidable mistakes can lead to rejected filings, late fees, and in one critical case, a massively inflated tax bill.

To help you file with confidence, we’ve outlined five of the most common errors founders make and how to avoid them.


Mistake #1: Using Your Registered Agent’s Address as Your Principal Business Address

On the annual report, you must provide your company’s “Principal Place of Business” address. Many founders mistakenly enter their Delaware Registered Agent’s address here.

  • The Problem: These are two distinct addresses with different legal purposes. Your Registered Agent Address is a required address in Delaware for receiving official legal notices. Your Principal Place of Business is the actual physical address where your business is run and its main books and records are kept, which is often in another state or country.
  • The Consequence: The Delaware Secretary of State will often reject filings with this error, causing delays and forcing you to refile. It signals a misunderstanding of your own corporate structure.

Mistake #2: Disclosing No Officers or Directors

The annual report requires you to list the name and address of at least one officer and one director.

  • The Problem: Every Delaware corporation is legally required to have officers (e.g., President, Secretary, Treasurer) and at least one director who manages the company’s affairs. Leaving these fields blank is not an option.
  • The Consequence: A report filed without listing any officers or directors will be automatically rejected. This is a red flag to the state that your corporation may not be observing the required corporate formalities.

Mistake #3: Reporting a Lower Number of Issued Shares Than the Prior Year

Your report must state the total number of shares your company has issued to founders, investors, and employees.

  • The Problem: This number can stay the same or increase from year to year. However, it should almost never decrease without a formal corporate action like a stock buyback or redemption, which must be properly documented. Entering a lower number, even by accident, contradicts your previous year’s filing.
  • The Consequence: The state’s system is designed to flag a decrease in issued shares. Your filing will likely be rejected pending an explanation. This causes unnecessary delays and administrative hurdles.

Mistake #4: Paying the (Often Expensive) Default Tax Calculation

This is by far the most costly mistake a startup can make. The Delaware online filing portal defaults to calculating your franchise tax using the Authorized Shares Method.

  • The Problem: For a typical startup with millions of authorized shares, this default method can generate a shocking tax bill, often in the tens of thousands of dollars.
  • The Solution: You must proactively select the alternative calculation, the Assumed Par Value Capital Method. For nearly every startup, this method will result in a much lower tax, often the minimum due.
  • The Consequence: Failing to switch from the default calculation can lead to overpaying your franchise tax by thousands, or even tens of thousands, of dollars.

Mistake #5: Missing the March 1st Deadline

The deadline for filing the Delaware Annual Report and paying the franchise tax is absolute.

  • The Problem: The deadline is March 1st. Many founders incorrectly assume that their federal tax extension (to October 15th) also applies to their Delaware state filing. It does not.
  • The Consequence: The penalty is immediate and unforgiving. A filing that is even one day late is assessed a $200 late penalty plus 1.5% interest per month on both the penalty and the tax due.

File with Confidence

Your Delaware Annual Report is more than just a routine filing; it’s a reflection of your company’s compliance health. At Taxculate, we manage these critical details to ensure your filings are not only on time but are also accurate and optimized to prevent costly mistakes and overpayments.

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