Mich. Comp. Laws » Michigan Compiled Laws / Chapter 450 / Act 284 of 1972
Michigan Compiled Laws

Mich. Comp. Laws § 450.1231 (2026)

Adoption, amendment, or repeal of bylaws; contents of bylaws.

✓ current as of July 2026
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BUSINESS CORPORATION ACT


Act 284 of 1972


450.1231 Adoption, amendment, or repeal of bylaws; contents of bylaws.

Sec. 231.

    The initial bylaws of a corporation shall be adopted by its incorporators, its shareholders, or its board. The shareholders or the board may amend or repeal the bylaws or adopt new bylaws unless the articles of incorporation or bylaws provide that the power to adopt new bylaws is reserved exclusively to the shareholders or that the bylaws or any particular bylaw shall not be altered or repealed by the board. The bylaws may contain any provision for the regulation and management of the affairs of the corporation not inconsistent with law or the articles of incorporation.

History: 1972, Act 284, Eff. Jan. 1, 1973 ;-- Am. 1989, Act 121, Eff. Oct. 1, 1989

Notes of Decisions
Cited in 8 cases (2 in the last 5 years), 2004–2024 · leading case: Madugula v. Taub, 853 N.W.2d 75 (Mich. 2014).
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Madugula v. Taub, 853 N.W.2d 75 (Mich. 2014). “1345; see also MCL 450.1231, 450.1343, 450.1405, 450.1505(2), and 450.”
Conlin v. Upton, 881 N.W.2d 511 (Mich. Ct. App. 2015). “See MCL 450.1231; MCL 450.4210. When validly promulgated, an entity’s bylaws or similar governing instrument will constitute a binding contractual agreement between the entity and its members.”
Jewish War Vets.' Mem'l Home Ass'n v. Jewish War Vets. of the United States, 311 F. Supp. 2d 600 (E.D. Mich. 2004). · cites it 2× “” Mich. Comp. Laws § 450.1231 (2004). This provision of Michigan law, however, does not entail that MHA’s bylaws are irrelevant to determining whether MHA is subordinate to JWV.”
William Wentworth Jr v. William Wentworth Sr (Mich. Ct. App. 2017). “” Conlin v Upton, 313 Mich App 243, 254-255 ; 881 NW2d 511 (2015), citing MCL 450.1231 and MCL 450.4210. Further, “[t]he bylaws of a corporation constitute a contract between a corporation and its shareholders.”
William Wentworth Jr v. William Wentworth Sr (Mich. Ct. App. 2017). “” Conlin v Upton, 313 Mich App 243, 254-255 ; 881 NW2d 511 (2015), citing MCL 450.1231 and MCL 450.4210. Further, “[t]he bylaws of a corporation constitute a contract between a corporation and its shareholders.”
Jeffery C Mertz v. Michigan Dep't of Treasury (Mich. Ct. App. 2024). “For example, a corporation must have bylaws, MCL 450.1231, while LLCs need only file articles of organization, and need not adopt an operating agreement at all.”
20241122_C371299_39_371299.Opn.Pdf (Mich. Ct. App. 2024). “See MCL 450.1231; MCL 450.4210. When validly promulgated, an entity’s bylaws or similar governing instrument will constitute a binding contractual agreement between the entity and its members.”
Robert Roy v. Island & Fonda Lakes Ass'n (Mich. Ct. App. 2014). “Pursuant to MCL 450.1231, bylaws may not contain provisions “inconsistent with law.”
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