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

At a glance

Requirements one by one

Three events start a 60-day amendment clock

Section 347.041 requires amendment promptly and no later than 60 days after a legal-name change, a switch between member and manager management, or a change to the dissolution time stated in the articles. A mandatory filing identifies the triggering event and its occurrence date. Other amendments may be made as often as desired when the operating agreement permits and the articles continue to mirror provisions contained in that agreement.

Approval follows the agreement, with statutory defaults underneath

The amendment states that it is authorized under the operating agreement or otherwise required by Chapter 347. If the agreement does not provide another rule, § 347.079 uses approval by more than one-half by number of authorized persons for an ordinary business/affairs matter. A management-mode switch is an express exception requiring every member unless the agreement provides otherwise.

An authorized person or another person authorized under the agreement signs. A power-of-attorney signature is permitted, and execution affirms both truth and authority under the statutory false-statement penalties.

Form LLC-12 tracks the mandatory-event rule

The current form asks for charter number, current name, any future effective date, occurrence date, amendment text, mandatory-event classification, authorization basis, optional principal-office address, and authorized signature. A series election is outside this ordinary-LLC survey and requires LLC-1A.

The statutory amendment base fee is $20. Section 347.740 currently permits a $5 technology fee through December 31, 2026, which is why Form LLC-12 lists a $25 total. A later fee extension bill did not pass.

Restatement and correction serve different purposes

A pure restatement consolidates the articles and amendments without changing them; amended-and-restated articles do both. The restatement states the present name, original name if changed, and initial filing date, and supersedes the older instruments without changing the original formation date.

Section 347.055's $5-base Statement of Correction is only for an incorrect statement as of the filing date. It generally relates back, but works only when filed against a person who relied on the uncorrected record and was adversely affected. It is not the route for a later legal-name or management change.

Keep the filed amendment and execution authority

Section 347.091 requires the LLC to retain its articles, every amendment, any execution powers, and both effective and former written operating agreements. The state filing changes the Missouri public record. Tax, license, bank, contract, title, trademark, fictitious-name, and foreign-registration records need separate review.

What trips people up

• "Promptly" is paired with an outside limit: the three listed changes must be filed no later than 60 days after the event.
• A registered-agent or registered-office change has its own statement under § 347.030 and takes effect on filing. It is not one of § 347.041's mandatory articles-amendment events.
• Form LLC-12 permits a later date no more than 90 days after filing. It does not offer a future-event trigger.
• The $25 on the current form includes a technology fee whose present statutory authority expires after December 31, 2026.

Common questions

Can a Missouri LLC use another name without changing its legal name?

Yes. Section 347.020 permits registration of another operating name under Chapter 417. That fictitious-name route does not change the legal name stated in the Articles of Organization.

Does a legal-name change require unanimous approval?

Not automatically. The operating agreement controls; absent another rule, an ordinary name-change decision uses more than one-half by number of authorized persons. A member/manager management-mode switch has the separate all-member default.

Does a restatement restart the LLC's formation date?

No. Section 347.043 says the restated articles supersede the earlier filings, but the original effective date of formation remains unchanged.

Statutes and sources

• RSMo § 347.041 and § 347.043 — amendment duties, contents, effective date, and restatement (accessed August 21, 2026).
• RSMo § 347.020, § 347.047, and § 347.079 — name, signature, and approval rules (accessed August 21, 2026).
• RSMo § 347.030, § 347.055, and § 347.091 — agent statement, correction, and retained records (accessed August 21, 2026).
• RSMo § 347.179, § 347.740, and Form LLC-12 — fees and current filing fields (accessed August 21, 2026).