Operating Agreement Guide: What LLCs Must Include Today

Starting an LLC without an operating agreement is a bit like building a house without a blueprint. Things might look fine on the surface, but the moment something goes wrong, everyone scrambles to figure out who’s responsible for what.

Essentially, this internal governing document is the foundation of every well-run LLC in the United States. It defines ownership, management authority, profit distribution, and what happens when a member wants out.

Whether someone is launching their first business or restructuring an existing one, understanding what this document must include, and why skipping it creates real risk, is one of the most practical things any LLC owner can do.

What an LLC Operating Agreement Actually Is

An operating agreement is the internal rulebook of a limited liability company. It’s a legally binding document that outlines the rights, responsibilities, and relationships of everyone involved in the business.

Unlike the Articles of Organization, this document is not filed with the state. It lives inside the company, but that doesn’t make it any less enforceable.

In fact, if a dispute lands in front of a judge, this agreement is the first thing the court will look at.

Think of it as the answer to every “but who decides?” question a business might face. Who controls the bank account? How are profits divided? What happens if a partner dies?

In short, a solid agreement answers all of it before conflict ever arises.

How It Differs from the Articles of Organization

Understandably, many new business owners confuse these two documents. The Articles of Organization create the LLC as a legal entity; they’re the birth certificate.

On the other hand, the operating agreement governs how that entity actually functions day to day.

One is public and required by every state. The other is private, internal, and arguably far more important for the long-term health of the business.

Is an Operating Agreement Required by Law?

This is one of the most common questions LLC owners ask, and the answer depends on where the business is formed. Currently, only five states legally require an operating agreement: California, Delaware, Maine, Missouri, and New York.

Even within that group, the rules differ. Delaware, Maine, and Missouri allow oral or implied agreements. New York requires a written one, kept internally.

Meanwhile, California goes the furthest, requiring it even for single-member LLCs.

States like Texas and Florida don’t mandate one at all. But operating without a written agreement in those states means the business defaults to whatever state law says, and that’s rarely what the founders intended.

What Happens Without One: State Default Rules

State default rules are the automatic legal terms that apply to any LLC that hasn’t spelled out its own. In many states, these defaults can be surprisingly restrictive.

Here’s what that can look like in practice and why it catches people off guard:

• Profits may be split equally among members, regardless of how much each person invested
• Major decisions may require unanimous consent, even for minor operational changes
• A member’s death or departure can trigger automatic dissolution of the entire LLC
• Courts may interpret unexplained cash movements as loans, salaries, or distributions with no clear answer

According to the U.S. Chamber of Commerce, an operating agreement helps members avoid these unintended outcomes by clearly defining the rules on their own terms.

7 Key Provisions Every Operating Agreement Should Cover

No two LLCs are exactly alike, but every solid LLC agreement addresses the same core areas. Leaving any of these out creates gaps that can become costly problems later.

1. Ownership Structure and Capital Contributions

First and foremost, the agreement should clearly document who owns what percentage of the company and what each member contributed to earn that stake. Contributions can be cash, property, or services.

This section also covers whether members may be required to make additional contributions in the future, and what happens if someone can’t or won’t contribute when the business needs more capital.

2. Management Authority: Member-Managed vs. Manager-Managed

By default, most states treat LLCs as member-managed, meaning all owners participate in daily operations and decision-making. But that’s not always practical, especially when some members are passive investors.

A manager-managed structure designates specific individuals (who may or may not be members) to handle day-to-day operations. The operating agreement is the place to make that choice explicit, along with the scope of each manager’s authority.

3. Profit and Loss Allocation

How earnings are divided is one of the most sensitive topics in any business partnership. This section should define the distribution formula, the timing of payouts, and whether distributions are mandatory or discretionary.

Although many LLCs tie profit sharing to ownership percentages, that’s not the only option. Some allocate more to members who carry a heavier workload, and the agreement can reflect that arrangement, as long as it’s written down.

4. Voting Rights and Decision-Making Procedures

Not every decision should carry the same weight, and the agreement should reflect that. For instance, routine operational choices might require a simple majority.

In contrast, major moves, like taking on significant debt or adding a new member, may require a supermajority or unanimous vote.

Fundamentally, spelling out these thresholds upfront prevents power struggles and keeps the business moving even when members disagree.

5. Transfer Restrictions and Buyout Provisions

Eventually, someone will want to leave. A strong agreement addresses this directly, before emotions are involved.

For example, transfer restrictions typically include a right of first refusal. This gives existing members the opportunity to buy out a departing member before their interest can be sold to an outsider.

In addition, buyout provisions should also address what happens in less expected situations like death, disability, divorce, retirement, or even poor performance.

As noted by Harrington Hoppe & Mitchell, the death of an owner can create complex legal and financial challenges.

Consequently, a buyout clause, often funded through life insurance, can prevent those challenges from derailing the business.

6. Dispute Resolution

Of course, disagreements happen, even among the best business partners. This section should outline whether disputes go to mediation or arbitration before litigation, and who bears attorney fees in various scenarios.

A particularly tricky situation arises in 50/50 ownership structures. Without a deadlock-breaking mechanism (sometimes called a put-and-call provision), two equal partners can freeze the entire business when they can’t agree.

7. Dissolution and Wind-Down Procedures

The agreement should define what events trigger dissolution and how assets are distributed once the business closes. Having this in writing makes an already difficult process far more manageable for everyone involved.

A Side-by-Side Look: With vs. Without an Agreement

To see just how much a written agreement changes things, here’s a quick comparison of common business situations and how they play out with and without one in place.

Situation	With an Operating Agreement	Without an Operating Agreement
Opening a business bank account	Straightforward with signed agreement and banking resolution	Many banks will refuse or delay the application
Member wants to leave	Buyout process follows agreed terms and pricing formula	No clear process; likely leads to negotiation or litigation
Profit distribution disagreement	Distribution formula is already defined and enforceable	State defaults may require equal splits regardless of contribution
Owner passes away	Succession plan activates; ownership transfers per agreement	Interest may pass to heirs with no business experience
Major decision requires a vote	Voting thresholds are pre-established and clear	Default rules may require unanimous consent for all decisions

Why Single-Member LLCs Still Need This Document

However, a common misconception is that solo business owners don’t need an operating agreement because there’s nobody to disagree with. That logic misses the point entirely.

Even without partners, a written agreement strengthens liability protection. It shows the business is a separate legal entity, not just an extension of the owner’s personal finances.

Specifically, courts are more likely to respect that separation when documentation supports it.

Beyond that, banks almost universally require an operating agreement to open a business account. Without one, a sole owner can find themselves stuck before the business even gets off the ground.

Additionally, there’s a practical consideration. If the LLC has non-owner managers who sign contracts or handle finances, the agreement is what formally authorizes them to do so.

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State-Specific Considerations Worth Knowing

Since requirements vary by state, it’s worth addressing a few common ones directly. Founders forming an LLC in California should know that the state legally requires an operating agreement.

This rule applies even for a one-person LLC. In fact, failing to have one puts the business out of compliance from day one.

In Texas and Florida, the document isn’t legally required. However, the absence of one means the business runs on whatever the state’s default rules happen to say.

For most founders, those defaults won’t reflect what they actually intended when they started the company.

Florida is also worth watching for another reason. As of July 1, 2026, the state’s new Protected Series LLC law takes effect.

Ultimately, this makes Florida the 25th jurisdiction to offer this structure. Under this model, a single parent LLC can contain multiple separate “series.”

Each series has its own assets, liabilities, and even its own operating agreement provisions. For business owners managing multiple properties or ventures, this can dramatically reduce formation and annual filing costs.

For more detail on these 2026 updates, Uncle Kam’s 2026 LLC formation guide offers a practical breakdown.

Templates vs. Custom Drafting: Which One Is Right?

To be sure, free templates are widely available online and can work well in straightforward situations, like a single-member LLC with no plans to add partners. They cover the basics and are better than nothing.

For multi-member LLCs, though, a generic template is rarely enough. Each partnership has its own dynamics, and the operating agreement needs to reflect those specifics.

Indeed, custom drafting costs more upfront. However, it’s almost always cheaper than the legal fees that follow when an underprepared agreement fails to handle a real dispute.

Ultimately, working with an attorney who understands state requirements and business goals is the most reliable path to a document that actually protects everyone involved.

Pulling It All Together

An LLC’s operating agreement isn’t just a formality. It’s the document that determines how the business survives difficult moments.

Therefore, skipping it, or relying on a one-size-fits-all template, leaves the business and everyone in it exposed to risks that are entirely avoidable.

The key takeaways from everything covered here:

• An operating agreement is the internal governing document of an LLC, not filed publicly, but fully enforceable
• Only five states require it by law, but every LLC benefits from having one regardless of location
• Without it, state default rules take over, and those rules rarely match what founders actually want
• Banks require a signed agreement to open a business account in most cases
• Core provisions should address ownership, management, profits, voting, transfers, disputes, and dissolution
• Single-member LLCs still need one for liability protection, banking access, and corporate formality
• State-specific rules matter, and 2026 brings new structural options like Florida’s Protected Series LLC

Whether someone is forming their first LLC or reviewing an agreement that hasn’t been updated in years, investing time in this document is one of the most direct ways to protect the business they’ve worked to build.

Watch this short video to learn more about operating agreements for LLCs.

Frequently Asked Questions