Skip to content

Company constitution – The basics.

Summarise with:
ChatGPT logo ChatGPT Perplexity logo Perplexity

On this page

By-laws are rules adopted by the shareholders of American companies that govern their operation.  In Australia, equivalent provisions are found in a number of places, including your company constitution.  These are discussed in more detail below.

In Australia, the shareholders of a company have considerable flexibility in documenting their relationship and the rules that govern the operation of their company.  The Corporations Act 2001 (Cth) allows a company’s internal management to be governed by the provisions of the Corporations Act that apply as replaceable rules, by a company constitution or by a combination of both.  In addition, some or all of the shareholders of a company may enter into a separate contract, known as a shareholders agreement.

Replaceable Rules

A replaceable rule is a provision of a section or subsection of the Corporations Act that can be displaced or modified by a company’s constitution.  These provisions are listed in the Corporations Act and deal with matters relating to officers and employees, inspection of books, director’s meetings, shareholders meetings and issue and transfer of shares.

Any replaceable rules that apply to a company have effect as a contract between the company and each shareholder; shareholders with each other; and each director and company secretary.  This means that they agree to observe and perform the rules so far as they apply to them.

Company Constitution

A company may adopt a constitution either on registration of the company or at any time after registration, which could be weeks, months or years later.

The Corporations Act does not prescribe the rules that must be included in a company constitution, but if a company constitution is adopted then it will generally specify the replaceable rules that are modified and set out rules governing the relationship between and activities of the company, its directors and shareholders.

A company constitution is therefore a special form of contract as it binds the company, shareholders who initially agreed to adopt a constitution (e.g. upon registration) and any future shareholders.  This means that a company constitution is unlike other forms of contract, which only bind those who are parties to it.

Like the replaceable rules, a company constitution has effect as a contract between the company and each shareholder; shareholders with each other; and each director and company secretary.  This means that they agree to observe and perform the rules so far as they apply to them.

Continue reading this article below the form
Need legal advice?
Call 1300 544 755 for urgent assistance.
Otherwise, complete this form, and we will contact you within one business day.

What Does my Company Need?

Each company is different, but the replaceable rules in the Corporations Act may not be appropriate for your company as they are designed to apply to all companies.  There is no hard and fast rule about whether a company should adopt the replaceable rules, a standard company constitution (that may come with your company when you set it up) or a company constitution tailored to your company.  It is therefore important when you setup your company to read the replaceable rules or standard company constitution to check that they are appropriate for your company.  If not, then you should change them by either adopting a company constitution (if you are relying on the replaceable rules) or changing your company constitution (if you have a standard company constitution).

Conclusion

If you need legal advice or assistance then ask for it.  It is better to get things right at the beginning than to realise that you have a problem down the track, but it’s too late to fix it.

Register for our free webinars

Employer-Sponsored Visas: Common Issues and How to Manage Them

Online
Learn how to manage common employer-sponsored visa issues and sponsor overseas workers successfully. Register for our free webinar.
Register Now

Key Contracts Every Manufacturing Business Needs (and How to Get Them Right)

Online
Avoid contract gaps in your manufacturing business. Register for our free webinar.
Register Now

Avoiding Court: Resolving Accounting Client Disputes Without Going to Court

Online
Resolve client disputes without court action. Register for our free webinar.
Register Now

Employment Law Essentials for Childcare Providers

Online
Learn essential employment law requirements for childcare providers and how to manage your team compliantly. Register for our free webinar.
Register Now
See more webinars >

Lachlan McKnight

CEO | View profile

Lachlan is the CEO of LegalVision. He co-founded LegalVision in 2012 with the goal of providing high quality, cost effective legal services at scale to both SMEs and large corporates.

Qualifications: Lachlan has an MBA from INSEAD and is admitted to the Supreme Court of England and Wales and the Supreme Court of New South Wales.

Read all articles by Lachlan

About LegalVision

LegalVision is an innovative commercial law firm that provides businesses with affordable, unlimited and ongoing legal assistance through our membership. We operate in Australia, the United Kingdom and New Zealand.

Learn more

LegalVision is an award-winning business law firm

  • Award

    2025 Future of Legal Services Innovation Finalist - Legal Innovation Awards

  • Award

    2025 Employer of Choice - Australasian Lawyer

  • Award

    2024 Law Company of the Year Finalist - The Lawyer Awards

  • Award

    2024 Law Firm of the Year Finalist - Modern Law Private Client Awards

  • Award

    2022 Law Firm of the Year - Australasian Law Awards