How to File a Connecticut LLC Amendment with the Secretary of the State

Jan 19, 2026Arnold L.

How to File a Connecticut LLC Amendment with the Secretary of the State

If your Connecticut LLC has changed since formation, the state record may need to be updated with the Connecticut Secretary of the State. The most common way to do that is by filing a Certificate of Amendment, also known as BUS-034 for a domestic Connecticut LLC.

A properly filed amendment keeps your company information accurate, helps avoid filing mistakes, and reduces the risk of confusion when you open bank accounts, sign contracts, or request a certificate of legal existence. Zenind helps business owners stay organized, but the filing itself still needs to match the state’s rules exactly.

When a Connecticut LLC amendment is the right filing

A Certificate of Amendment is typically used when you need to change the information in your Certificate of Organization. That can include a name change or other updates to the LLC’s governing document.

Common reasons to file an amendment include:

  • Changing the LLC’s legal name
  • Updating language in the Certificate of Organization
  • Restating the certificate to reflect prior changes in one document
  • Making structural or governance changes that belong in the formation record

If you are not changing the Certificate of Organization, an amendment may not be the best or most efficient filing.

When you should use a different Connecticut filing instead

Some updates are handled with a separate form rather than an amendment.

Use the following filings instead of a Certificate of Amendment when applicable:

  • Business address changes: file a Change of Business Address form
  • Registered agent changes: file a Change of Agent form
  • Registered agent address changes: file a Change of Agent’s Address form
  • Annual report updates: update certain information on the annual report when the report is due

This distinction matters because using the wrong form can delay processing and create inconsistent records.

What the Connecticut Certificate of Amendment can and cannot do

The Certificate of Amendment for a domestic Connecticut LLC is designed to update the LLC’s certificate on file with the state. The current official form gives you several options, including:

  • Amended, name only
  • Amended only
  • Amended and restated
  • Restated

The form also requires the full legal name of the LLC exactly as it appears on state records.

A Certificate of Amendment is not a catch-all document. It is not the right filing for every routine update. In particular, the state requires separate filings for some records, such as the registered agent and business address.

How the Connecticut annual report fits in

For many Connecticut LLCs, the annual report is the easiest place to make certain routine updates.

According to the Connecticut Secretary of the State, LLC annual reports are due each year between January 1 and March 31. The annual report currently allows updates to:

  • Principal office address
  • Mailing address
  • Email address
  • Member or manager information

However, the annual report does not allow you to change:

  • The business name
  • The registered agent

If your change fits one of those excluded categories, you still need the proper separate filing.

How to complete BUS-034 for a Connecticut LLC amendment

The Connecticut domestic LLC amendment form is straightforward, but accuracy matters.

1. Enter the LLC name exactly as it appears on state records

Use the current legal name of the LLC exactly as recorded by the Secretary of the State, including the LLC designation.

2. Choose the correct amendment option

Select only one of the available amendment statements:

  • 2A, Amended, name only if the only change is a new LLC name
  • 2B, Amended only if you are changing the certificate without restating it
  • 2C, Amended and restated if you are both amending and attaching a full restatement
  • 2D, Restated if you are integrating prior amendments into one document

Choose carefully, because the option you select controls what else you must attach.

3. Provide the full text of each amendment when required

If you select the option for a standard amendment or an amended and restated filing, include the full text of each change in the space provided.

If the space is not enough, attach additional 8.5 x 11 sheets.

4. Attach a complete restatement if needed

If you choose an amended and restated filing or a restated filing, make sure the attached document fully reflects the LLC’s current certificate language.

A restatement should be complete and internally consistent. Do not leave conflicting language in place.

5. Sign and date the filing

All forms must be signed. The signatory must:

  • Print or type their full legal name
  • State their capacity or title
  • Sign the document
  • Date the filing

The Connecticut form notes that the execution is made under penalty of false statement, so the information should be reviewed before submission.

Connecticut filing fee for an LLC amendment

The current filing fee for a domestic Connecticut LLC Certificate of Amendment is $120.

Make checks payable to Secretary of the State.

If you are preparing a filing that includes other changes, do not assume the amendment fee replaces every other filing fee. Separate forms may carry separate charges.

Where to send the filing

The Connecticut Secretary of the State provides the following business filing addresses for the amendment form:

  • Mailing address: P.O. Box 150470, Hartford, CT 06115-0470
  • Delivery address: 165 Capitol Avenue, Suite 1000, Hartford, CT 06106

Before submitting, confirm that the form is complete, signed, and accompanied by the correct payment.

Best practices before filing an amendment

A Connecticut LLC amendment is easier when you prepare the filing in the right order.

Review your existing records first

Check your Certificate of Organization, annual reports, and any prior amendments so the new filing does not conflict with earlier state records.

Decide whether you need an amendment or a separate form

If the change is about your registered agent or business address, a separate filing is usually the correct path. If the change belongs in the governing document itself, use the amendment.

Use the exact legal name every time

Small differences in punctuation, abbreviations, or entity designation can create delays. Match the state record exactly.

Keep your internal records consistent

After the filing is accepted, update your operating agreement, tax records, banking documents, contracts, and internal compliance files so everything matches.

Why accurate amendments matter

A Connecticut LLC that keeps its records current is easier to manage and less likely to face avoidable administrative problems. Accurate records help when you need to:

  • Prove the LLC’s legal name
  • Open or maintain a business bank account
  • Sign commercial leases or vendor agreements
  • Request a certificate of legal existence
  • Maintain compliance with state filings

If the wrong information remains on file, the mismatch can slow down transactions or create questions about who has authority to act for the company.

How Zenind can help

Zenind supports business owners who want a cleaner, more organized compliance process. While every filing must still be completed according to Connecticut’s requirements, Zenind can help you stay on top of the details that matter most, including:

  • Filing deadlines
  • Document organization
  • Ongoing compliance reminders
  • Keeping formation records aligned with state filings

For a Connecticut LLC, that kind of consistency can save time and reduce the risk of missing a required update.

Final checklist before you file

Before sending your Connecticut LLC amendment, confirm the following:

  • The filing is actually an amendment, not a business address or registered agent change
  • The LLC name matches state records exactly
  • You selected the correct amendment option on BUS-034
  • Any required attachments are included
  • The form is signed and dated
  • The fee is $120 and payable to Secretary of the State
  • The mailing or delivery address is correct

A careful filing is the fastest way to get your Connecticut LLC records updated correctly the first time.

Disclaimer: The content presented in this article is for informational purposes only and is not intended as legal, tax, or professional advice. While every effort has been made to ensure the accuracy and completeness of the information provided, Zenind and its authors accept no responsibility or liability for any errors or omissions. Readers should consult with appropriate legal or professional advisors before making any decisions or taking any actions based on the information contained in this article. Any reliance on the information provided herein is at the reader's own risk.

This article is available in English (United States) .

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