Form 543A at a glance
What it is: Form 543A is the Domestic Limited Liability Company Certificate of Amendment or Restatement; use it to file an amendment or restatement to the articles of organization for a domestic limited liability company.
Where and when to file: Mail this form to Regular Filing (non expedite) P.O. Box 1329 Columbus, OH 43216.
A filled-in Form 543A example: an LLC changes its name

How to fill out Form 543A, box by box
Check only one box: Amendment or Restatement

Check only one (1) box. If you wish to file an amendment, select box 1. If you wish to file a restatement, select box 2.
The articles of organization of a limited liability company may be restated at any time by filing a restatement of the articles of organization.
If box (1) Amendment is checked, only complete sections that apply. If box (2) Restatement is checked, all sections must be completed.
As required by Ohio Revised Code §1705.08 (C)(1)(b), indicate the date of the filing of the limited liability company's articles of organization that are being amended, as Date of Formation (MM/DD/YYYY).
Name of Limited Liability Company and Registration Number
Period of Existence and Purpose

A period of existence may be provided but is not required. Pursuant to Ohio Revised Code §1705.04 (B), if a period of existence is not provided in the articles the limited liability company's period of existence is perpetual.
A purpose clause may be provided but is not required. As stated in Ohio Revised Code §1705.02, a limited liability company may generally “be formed for any purpose or purposes for which individuals lawfully may associate themselves.”
If the information you wish to provide for the record does not fit on the form, please attach additional provisions on a single-sided, 8 ½ x 11 sheet(s) of paper.
Signature

Must be signed by a member, manager or other representative.
If authorized representative is an individual, then they must sign in the "signature" box and print their name in the "Print Name" box.
If authorized representative is a business entity, not an individual, then please print the business name in the "signature" box, an authorized representative of the business entity must sign in the "By" box and print their name in the "Print Name" box.
By signing and submitting this form to the Ohio Secretary of State, the undersigned hereby certifies that he or she has the requisite authority to execute this document.
Please return the approval certificate to

Please return the approval certificate to: Name (Individual or Business Name), To the Attention of (if necessary), Address, City, State, ZIP Code, Phone Number and E-mail Address.
Check here if you would like to receive important notices via e-mail from the Ohio Secretary of State's office regarding Business Services.
Check here if you would like to be signed up for the Filing Notification System for the business entity being created or updated by filing this form. This is a free service provided to notify you via e-mail when any document is filed on your business record.
More rules for Form 543A
Please do not enter a social security number or tax identification number, in any format, on this form.
Please make checks or money orders payable to: "Ohio Secretary of State".
An authorized representative of the limited liability company must file an amendment upon discovering that a statement in the articles of organization was materially false when made or that any other information set forth in the articles of organization has changed making the articles materially inaccurate.
If your situation is different
Expedite Service
Include an Expedite fee of $100.00, in addition to the regular filing fee, and the filing will be processed within 2 business days after it is received by the office (checked November 14, 2026).
Include an Expedite fee of $200.00, in addition to the regular filing fee, and the filing will be processed within 1 business day after it is received by the office. Include an Expedite fee of $300.00, in addition to the regular filing fee, and the filing will be processed within 4 hours after it is received by the office, if received by 1:00 p.m. The $200.00 and $300.00 services are only available to walk-in customers who hand deliver the document to the Client Service Center (checked November 14, 2026).
Preclearance Filing
A filing form, to be submitted at a later date for processing, may be submitted to be examined for the purpose of advising as to the acceptability of the proposed filing for a fee of $50.00. The Preclearance will be complete within 1-2 business days (checked November 14, 2026).
Common questions about Form 543A
Is there a deadline?
Pursuant to Ohio Revised Code §1705.08, a certificate of amendment amending the articles of organization shall be filed within thirty days after the occurrence of any of the following: (1) the name of the limited liability company is changed; (2) the period of the limited liability company's duration is changed; or (3) any other information that is set forth in the articles of organization is changed.
Where do I file it?
Mail this form to Regular Filing (non expedite) P.O. Box 1329 Columbus, OH 43216. Expedite Filing (Two business day processing time. Requires an additional $100.00) P.O. Box 1390 Columbus, OH 43216 (checked November 14, 2026).
Are there fees?
The filing fee is $50 and the form must be typed (checked November 14, 2026).
Sources
[1] Form 543A (Last Revised 06/2019), Domestic Limited Liability Company Certificate of Amendment or Restatement, Ohio Secretary of State (the Official source link on this page).

