You don't always need an attorney to write a demand letter when considering legal actions. Here's a sample guide to writing a demand letter.

How To Make Demand Letter Invoice Sample

When considering legal action against someone or an entire organization, the first step is to send them a demand payment letter. This document puts the other party on notice and lays out the terms of your potential lawsuit. It’s important to note that you don’t always need an attorney to write a demand letter—in many cases, you can do it yourself using an appropriate demand letter invoice sample. 

In this article, we’ll provide a guide to writing a demand letter and outline some tips for ensuring it’s effective.

What is a Demand Letter Invoice?

A demand letter invoice is a formal notice that you plan to take legal action against an individual or company. It specifically requests for money owed; that’s commonly the prior notice given by the creditor. 

This document puts the other party on notice of your intentions and provides them with an opportunity to resolve the issue without going to court. The party owed should use language detailing conditions that will motivate the debtor to settle the payment. For example, you can give a discount if the debtor decides to pay or state that you’ll take legal action if they don’t comply.

Attorneys send most demand letters on behalf of their clients, but in some cases, you may be able to write and send the letter yourself. It’s important to check the rules of your state or local court to see if you’re required to have an attorney present the letter.

Types of Demand Letters

There are different types of demand letters, depending on the specifics of your case. The most common type is a debt collection letter, sent when an individual or company owes you money. 

Other types of demand letters include:

  • Breach of contract demand letter: This type of letter is sent when one party doesn’t hold up their end of a signed agreement.
  • Insurance demand letter: This letter is sent to an insurance company after a policyholder suffers damages that should be covered. 
  • Personal injury demand letter: A personal injury demand letter is sent to the at-fault party’s insurance company after you’ve been injured in an accident.
  • Unpaid wages demand letter: If your employer hasn’t paid you for work you’ve completed, you can send them an unpaid wages demand letter.
  • Refund demand letter: This type of demand letter is sent when you’ve paid for a product or service that wasn’t delivered as promised. 
  • Real Estate demand letter: A real estate demand letter can be used in various situations, such as when your landlord doesn’t make repairs, or you’ve been wrongfully evicted. 
  • Breach of Contract Notice: A breach of contract notice is typically the first step in taking legal action against a party that doesn’t uphold their end of an agreement.

When to Send a Demand Letter Invoice?

You should send a demand letter as soon after the incident occurs as possible. The sooner you send it; the more likely the other party will take your request seriously. 

The court may not find your case credible if too much time has passed. Sometimes, you may only have a limited time to file a lawsuit, so it’s important to act quickly. This timeframe is called the “statute of limitations” and varies by different states.

How to Send a Demand Letter?

An effective demand letter will require careful planning and thought. The following are key steps that you should follow when sending a demand letter:

Step 1: Decide What To Ask For

The first step is to decide what you want the other party to do. This could be anything from paying a debt to repairing damages. Be mindful of state laws and court rules when making your demand. 

Step 2: Gather Supporting Evidence

The next step is to gather any evidence that supports your case. This could include photos, contracts, emails, or medical records. Organize your evidence, so it’s easy for the other party to understand. 

Step 3: Write the Letter

After you’ve gathered all the necessary information, it’s time to start writing your demand letter. The following are key items that you should include in your demand letter:

  • Your full name, contact information, and address
  • The date
  • The recipient’s contact information
  • A brief description of what happened
  • The demand itself
  • A deadline for when you expect the demand to be met
  • The consequences of not meeting the demand, such as filing a lawsuit
  • Your signature

Step 4: Send the Letter

Once you’ve finished writing the letter, it’s time to send it. You can either hand-deliver the letter or send it by certified mail. If you send it by certified mail, keep a copy of the letter and the tracking information. 

Situational: File a Lawsuit

If the other party doesn’t respond to your demand letter or meet your demands within the specified timeframe, you can take legal action by filing a lawsuit. It’s important to consult with an attorney before taking this step, as lawsuits can be complex and time-consuming.

How to Write a Demand Letter Invoice?

Now that we’ve gone over what a demand letter is and when to send one, let’s take a look at how to write an effective demand letter. 

As we mentioned earlier, a demand letter is a formal notice that puts the other party on notice that you’re considering legal action. To be effective, a demand letter must be clear and concise. It should also include all relevant information and evidence. 

Here is a basic template sample that you can use to write your demand letter:

[Your Name]


[Your City, State, and Zip Code]

[The Date]

[The Name of the Person or Company You Are Contacting]

[Their Address]

[City, State, and Zip Code]

Re: [Brief Description of Your Claim]

Dear [Name of the Person or Company You Are Contacting],

I am writing to demand [specific relief] from you. 

[Include a brief description of what happened and why you are entitled to relief.] 

[Include copies of relevant evidence, such as contracts, emails, or photos.] 

I am entitled to receive [specific relief] no later than [date]. If you fail to meet this demand, I will take legal action against you. 

Thank you for your time intending to this matter. 



[Your Address]

[City, State, and Zip Code]

[Phone Number]

This is just a sample demand letter. Be sure to tailor it to fit your specific situation. 

If you have any questions about how to write a demand letter or what to include, we suggest speaking with an attorney. An attorney can help you determine what relief you’re entitled to and how to best present your case.

Tips for Writing an Effective Demand Letter

To help you compose an effective demand letter, we’ve put together a few sample tips:

  • Be clear and concise. Get to the point quickly.
  • Include all relevant information and evidence.
  • Be polite but firm. You don’t need to be aggressive, but you should clarify that you’re serious about taking legal action.
  • Give the other party reasonable time to respond to your demand. 
  • Avoid inappropriate language. This includes profanity, threats, and name-calling.
  • Avoid appropriate evidence or proof that will support your case. This could include contracts, emails, or photos.
  • Sign the demand letter and include your contact information.

Avoid Sending Demand Letters with ReliaBills!

Even if you already know how to create a demand letter, the goal is always to avoid sending it in the first place. As a business, you must ensure your customers are paying you on time. That’s why you should consider ReliaBills.

ReliaBills has all the tools and features necessary to create professional-looking invoices that get your payment as an invoicing and payment processing platform. At the same time, you’ll also get to create a recurring billing system that will ensure you get paid on time every time.

With an automated invoicing and payment processing system in place, you won’t have to worry about sending demand letters ever again! Learn more about how ReliaBills can help you get paid on time. Check out our website now at

Wrapping Up

With these tips in mind, you’ll be on your way to writing an effective demand letter. Of course, there’s no telling when you might need to send one, but it’s always better to be prepared. And if you’re looking for a way to avoid demand letters altogether, check out ReliaBills! We can help you get paid on time to focus on running your business.

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