LLC Amendment and Legal-Name-Change Filing Requirements in Massachusetts

At a glance

Requirements one by one

Material falsehoods and manager changes make amendment mandatory

Section 13 does more than permit voluntary amendments. A manager—or a member when the LLC has no manager—who learns that a certificate statement was false when made or has become materially false must "promptly amend" it. Subsection (c) separately makes amendment mandatory when managers are first designated, when managers change, or when another authorized signatory changes. The statute sets no numeric deadline for that prompt action.

Massachusetts currently uses that amendment route even for a statement that was wrong when filed. Chapter 156C and 950 CMR 112.00 do not currently supply the ordinary LLC with a separate certificate-of-correction procedure. Resident-agent or resident-office changes are the express exception and use the narrower statement under 950 CMR 112.13.

Approval, authority to act, and signature are separate questions

Chapter 156C does not prescribe one amendment-specific vote. The operating agreement is therefore the first place to check. If a member decision is used and the agreement supplies no member-voting rule, § 21(d) makes the decision of members owning more than 50% of unreturned contributions controlling. That is not automatically one-member-one-vote or a generic percentage-interest test.

For a manager-managed LLC, § 24 defaults management, control, and document authority to the manager unless the agreement provides otherwise. Section 15 then answers the filing-signature question: a manager or another person named as authorized in the public record signs. An agent may sign without filing the authorization, but a written authorization must be retained. The signature is an affirmation under perjury penalties; it does not independently prove that the correct internal decision or a required private consent occurred.

The filing requires more than the three statutory headline fields

Section 13's headline minimum is the current name, original-certificate filing date, and amendment. Current 950 CMR 112.15 adds the operational filing order: FEIN, every current manager, every authorized filer, their different business addresses, any person authorized to execute real-property instruments, and the amendment itself. If there are no managers, the filing says so and names at least one authorized filer.

The regulations make official forms optional. A custom paper filing must still use 8½-by-11-inch paper, at least ten-point type, and the prescribed format; noncompliance is a stated rejection ground. The Division accepts authorized personal/courier, mail, fax, and electronic delivery, and its current LLC page links online filing for amendments. The ordinary amendment fee is $100.

A restatement can consolidate or also make changes

Section 19 distinguishes a pure "restated certificate of organization" from an "amended and restated certificate of organization." The first consolidates the operative public text without a new amendment. The second consolidates and changes it, so every embedded change remains subject to the rules that would apply to a separate amendment.

A restatement states the present name, original name if different, original filing date, any later date certain, and that it was duly executed under § 19. At filing or the stated future date it supersedes the earlier certificate and amendments without changing the LLC's original formation date. The current restatement fee is also $100.

Filing changes the certificate, not every record bearing the old name

Under §§ 13(e) and 17(b), an amendment ordinarily takes effect when filed and amends the Certificate of Organization then; a later effective date must be a date certain. Neither the act nor 950 CMR 112.00 states a maximum delay. The Secretary must file a conforming certificate and may refuse one that does not conform to law.

Section 9 requires the LLC to keep its Certificate of Organization, every amendment, and written signing powers at its Massachusetts records office. That accepted public filing does not perform separate tax, license, bank, contract, title, trademark, local business-certificate, or foreign-registration updates.

What trips people up

• A legal-name change must satisfy § 3's LLC/LC designator and name-conflict rules. An otherwise conflicting name requires the affected entity's written consent to have been filed with the Secretary; checking availability alone is not that consent.
• The annual report and amendment overlap in the information they can display, but § 13's prompt material-falsity duty and mandatory manager/signatory rules do not say the LLC may wait until its next anniversary report.
• A resident-agent or resident-office change uses the separate statement under 950 CMR 112.13. The current Secretary page lists $25 for paper or fax and no fee for electronic filing, rather than the $100 amendment fee.
• A later date must be a date certain. A private closing condition or future event is not the delayed-effective format authorized by §§ 13 and 19.

Common questions

Can a Massachusetts LLC use a DBA without changing its legal name?

Yes. Mass.gov says a business operating under a name other than its legal name uses a business certificate, also called a DBA, trade, fictitious, or assumed name, filed in the city or town where the business is located. That local filing does not amend the Certificate of Organization.

Does Massachusetts require a paper amendment form?

No. Under 950 CMR 112.07 the Division's forms are optional, although any custom document must comply with the paper-size, font, format, content, signature, and fee rules. The current Secretary page also offers online amendment filing.

Does a restatement restart the LLC's existence date?

No. Section 19(d) says the restated certificate supersedes the prior certificate and amendments, but the original effective date of organization remains unchanged.

Statutes and sources

• G.L. c. 156C, § 3, § 13, and § 15 — legal name, mandatory/permitted amendment, effective date, and signer rules (accessed August 21, 2026).
• G.L. c. 156C, § 17 and § 19 — filing review, legal effect, and restatement (accessed August 21, 2026).
• G.L. c. 156C, § 21 and § 24 — voting and management defaults (accessed August 21, 2026).
• G.L. c. 156C, § 9 and § 12 — retained records and annual report (accessed August 21, 2026).
• 950 CMR 112.00 and the Secretary's LLC filing page — content, delivery, format, rejection, agent-statement, fee, and restatement rules (accessed August 21, 2026).
• G.L. c. 110, § 5 and Mass.gov's business-certificate guide — local DBA/business-certificate route (accessed August 21, 2026).