Corporation Charter Amendment and Legal-Name-Change Requirements in Illinois

At a glance

Requirements one by one

Illinois uses articles of amendment under the Business Corporation Act

Article 10 governs amendments for an ordinary domestic business corporation. The public filing is articles of amendment with the Secretary of State; a bylaw, registered-agent, correction, merger, or court-reorganization filing follows a different route.

The amended articles may contain any currently permitted provision

Section 10.05 allows a corporation to add, change, or remove a provision so long as the amended articles contain only provisions permitted in original articles at the time of amendment. That timing rule matters when an old charter contains language no longer available to a newly formed corporation.

For a new legal name, § 4.05 requires a corporate designator, distinguishability on the Secretary of State's records, and compliance with restricted-word rules. A name-record check does not decide trademark or private naming rights.

Before shares issue, the actor depends on whether directors exist

Under § 10.10, a majority of incorporators may act only if shares have not issued and initial directors were neither named nor elected. If initial directors were named or elected, a majority of the directors adopts the pre-share amendment.

Ordinary amendments begin with a board resolution

Section 10.20 requires the board to adopt a resolution setting out the amendment and direct its submission to shareholders. Article 10 states no general route for omitting the board resolution because directors decline to recommend the proposal, and it states no general post-approval abandonment procedure.

The vote is measured against all shares entitled to vote

Meeting notice is delivered 10 to 60 days beforehand, and § 10.20 adds the full amendment or a summary plus dissent-right information when applicable. The default quorum is a majority of entitled votes represented in person or by proxy; the articles may vary it, but not below one-third.

The amendment itself ordinarily needs two-thirds of all votes of shares entitled to vote, not merely two-thirds of votes cast or shares present. The articles may set a smaller or larger threshold, but never below a majority of all entitled shares and each separately voting class or series.

Less-than-unanimous written consent uses the same minimum approval count. It also requires written notice to all entitled shareholders at least five days before execution and prompt written notice afterward to nonsigners.

Listed class changes create separate voting and appraisal questions

Section 10.25 grants a separate class vote for listed changes to authorized shares, classifications, preferences, restrictions, special rights, senior classes, preemptive rights, accumulated dividends, or voting rights. If only some series are affected, each affected series votes separately. The grant applies even when the holders do not otherwise vote.

Section 11.65 creates dissent rights only for an amendment that materially and adversely alters or abolishes a preferential right, alters or abolishes a redemption right, or limits or eliminates cumulative voting for a corporation formed before January 1, 1982. The articles, bylaws, or board may grant rights for another shareholder-vote action.

Board-only authority after shares issue is a seven-item list

A majority of the whole board may remove initial-director information, remove initial agent or office information after a separate change filing, change par value without adverse class or series effect, make a whole-number share split without such an adverse effect, make a narrow name edit, reduce shares after a qualifying cancellation, or restate the articles without changing them.

The name exception permits only substitution among listed corporate designators or adding a geographical attribution. A different legal-name change uses the ordinary shareholder route.

Section 5.10 supplies the separate registered-agent and office statement. Section 1.15's correction filing fixes errors or defective execution but cannot alter the corporate name, purpose, authorized shares, or the wording of an actually adopted resolution. Section 2.25 separately governs bylaws.

BCA 10.30 records the amendment and its adoption route

The duplicate filing states the current corporate name, complete amendment text, and whether incorporators, directors, a shareholder meeting, or written consent adopted it. Exchange, reclassification, cancellation, paid-in-capital, restatement, revival, and delayed-effectiveness facts are added when applicable.

An authorized officer ordinarily signs and states capacity; specified pre-share cases instead use incorporators or directors. Section 1.10 permits the signature itself to serve as the perjury affirmation, so a separate notarization is not a universal requirement.

The March 2026 BCA 10.30 form and current forms table state a $50 base fee and a $100 additional expedited fee. Paper instructions require duplicate submission in black ink.

A delayed effective time cannot exceed 30 days after filing

Under § 10.35, the amendment becomes effective at the later of Secretary of State filing or the stated time. The stated time may not be more than 30 days after filing. A legal-name change does not abate a suit under the former name.

Restatement may consolidate alone or include new amendments

A board-only § 10.15(g) restatement reproduces the articles as currently amended without adding a substantive change. A restatement that changes a provision needs the approval otherwise required, clearly identifies the change, includes the statutory history, agent, office, issued-share, and paid-in-capital facts, and supersedes the old articles when effective. The April 2026 BCA 10.30R form lists a $150 base fee.

The complete amendment article and current forms state no ordinary publication or proof-of-publication step. They also state no single follow-up filing that automatically updates tax, licenses, banks, contracts, property records, trademarks, or foreign registrations after a name change.

Specialized and disputed changes need separate analysis

This answer does not cover a court-ordered federal reorganization under § 10.40. Close, professional, medical, nonprofit, regulated, insolvent, foreign, or disputed-control corporations and securities, tax, franchise-tax, investor, lender, licensing, or contractual consequences may involve different law or documents.

What trips people up

The ordinary two-thirds requirement is based on every share entitled to vote, not on a meeting quorum or votes actually cast. A corporation with many absent holders can therefore have a validly organized meeting but still lack enough votes to approve the amendment.

The board-only name rule is narrower than the form's name-change blank may suggest. Substituting “Inc.” for “Incorporated” or adding a geographical attribution can qualify; choosing an otherwise different legal name does not.

Common questions

Can shareholders approve an amendment by written consent?

Yes, unless the articles provide otherwise. The consent must carry the minimum meeting vote, and less-than-unanimous consent requires both five-day advance notice to every entitled shareholder and prompt post-action notice to nonsigners.

Can a statement of correction change the corporation's name?

No. Section 1.15 expressly bars correction from altering the corporate name, purpose, authorized-share terms, or wording of the resolution actually adopted.

Must Illinois articles of amendment be notarized?

Not universally. Section 1.10 allows the signature alone to operate as the signer's affirmation under penalties of perjury, and the current BCA 10.30 form uses that method.

Statutes and sources

• 805 ILCS 5/10.05-10.40 — amendment authority, approval, class votes, filing contents, effectiveness, restatement, and reorganization boundary. https://ilga.gov/legislation/ILCS/details?MajorTopic=BUSINESS%20AND%20EMPLOYMENT&Chapter=BUSINESS%20ORGANIZATIONS&ActName=Business%20Corporation%20Act%20of%201983.&ActID=2273&ChapterID=65&ChapAct=805+ILCS+5%2F&SeqStart=11600000&SeqEnd=12500000&Print=True (accessed 2026-08-15)
• 805 ILCS 5/7.10, 7.15, and 7.60 — written consent, meeting notice, and quorum. https://www.ilga.gov/documents/legislation/ilcs/documents/080500050K7.10.htm (accessed 2026-08-15)
• 805 ILCS 5/11.65 — amendment-related dissent rights. https://www.ilga.gov/documents/legislation/ilcs/documents/080500050K11.65.htm (accessed 2026-08-15)
• 805 ILCS 5/1.10, 1.15, 2.25, 4.05, and 5.10 — execution, correction, bylaws, names, and registered-agent or office changes. https://www.ilga.gov/documents/legislation/ilcs/documents/080500050K1.10.htm (accessed 2026-08-15)
• Illinois Secretary of State Form BCA 10.30 — March 2026 amendment form, signature, voting, and $50 fee instructions. https://www.ilsos.gov/content/dam/publications/pdf_publications/bca1030.pdf (accessed 2026-08-15)
• Illinois Secretary of State Form BCA 10.30R — April 2026 restated-articles form and $150 fee. https://www.ilsos.gov/content/dam/publications/pdf_publications/bca1030r.pdf (accessed 2026-08-15)
• Illinois Secretary of State domestic and foreign corporation forms table — current base and expedited fees. https://www.ilsos.gov/publications/business-services/dfc.html (accessed 2026-08-15)