A deposit invoice is a billing document that requests partial payment upfront, before goods are delivered or services are completed. It states the total contract price, the portion due now (usually 10% to 50%), a payment deadline, and whether the amount is refundable. The wording on that last point does more work than most business owners realize: it decides whether you can keep the money if the buyer walks, how the IRS taxes it, and how it shows up on your books.
What Belongs on a Deposit Invoice
The core information is the same as any invoice: full names and addresses of buyer and seller, and a unique, sequential invoice number that creates a clean audit trail.
Beyond that, a deposit invoice should include:
- A plain-language description of the goods or services, specific enough that both parties agree on the scope.
- The total contract price, so the deposit has context.
- The deposit amount, shown as both a percentage and a dollar figure.
- Payment terms, often Net 15 or Net 30, meaning payment is due within 15 or 30 days of the invoice date.
- The refund policy, stated in clear language. This is the single most disputed element on deposit invoices, and vague wording here is where lawsuits start.
- Accepted payment methods and any account details.
If the deposit is non-refundable, that fact needs conspicuous language. Burying it in fine print gives the buyer an argument that the policy was never properly disclosed. Some states impose specific formatting requirements for non-refundable clauses, including minimum font sizes and separate signature lines.
Reference the deposit invoice number on the final bill when the job is done. That link keeps the deposit tied to the project it belongs to, which matters for both accounting and any later dispute.
When You Can Keep the Deposit and When You Can’t
Whether a buyer can get a deposit back after canceling depends on the contract, the type of transaction, and sometimes state law. There’s no single national rule.
The UCC Default for Goods
For sales of goods, the Uniform Commercial Code fills in the gap when the contract is silent. Under UCC Section 2-718, even when the buyer defaults, the seller cannot simply keep the entire deposit. The buyer is entitled to get back any amount that exceeds 20% of the total contract value or $500, whichever is smaller.1Legal Information Institute (LII) / Cornell Law School. Uniform Commercial Code 2-718 – Liquidation or Limitation of Damages; Deposits On a $5,000 order without a liquidated damages clause, the maximum the seller could retain is $500. Most sellers don’t know this, which is exactly why the next point matters.
Liquidated Damages Clauses
A contract can override the UCC default with a liquidated damages clause specifying how much the seller keeps on cancellation. Courts will enforce these clauses only if the amount was reasonable at the time the contract was signed. A deposit that looks more like a punishment than a genuine estimate of the seller’s losses risks being struck down as an unenforceable penalty. Courts look at the deposit size relative to the total price, whether both parties had legal counsel, and how hard it would be to prove actual damages after a cancellation.
The FTC Cooling-Off Rule
Federal law gives buyers an automatic right to cancel certain transactions within three business days and receive a full refund of any deposit. The FTC’s cooling-off rule under 16 CFR Part 429 applies to consumer goods or services worth $25 or more sold at the buyer’s home, or $130 or more sold at temporary locations like trade shows, convention centers, or hotel rooms.2eCFR. 16 CFR Part 429 – Rule Concerning Cooling-off Period for Sales Made at Homes or at Certain Other Locations It does not apply to purchases at a seller’s permanent business location, or to transactions conducted entirely by mail, phone, or online.
Home Improvement Deposit Caps
Several states cap the deposit a contractor can collect on a home improvement project. The strictest limit deposits to 10% of the contract price or $1,000, whichever is less. Others allow up to one-third of the contract price, and some permit exceeding the cap when the contractor must buy special-order materials. Most states have no statutory limit, so contract terms control. But in states with caps, exceeding the legal maximum is itself a violation that can trigger penalties, license discipline, or give the homeowner grounds to void the contract.
Attorney Retainers
Attorney retainers function like deposits but come with an extra layer of rules. Professional conduct rules in every state require lawyers to hold unearned client funds in a dedicated trust account, separate from the firm’s operating money, until the work is actually performed. The funds belong to the client until earned.
How the IRS Treats Deposits
The IRS draws a sharp line between a true deposit and an advance payment, and the distinction decides when the money becomes taxable income.
Deposits vs. Advance Payments
A true deposit, one the recipient has an obligation to return if certain conditions aren’t met, is not taxable income when received. The Supreme Court set this out in Commissioner v. Indianapolis Power & Light Co., holding that deposits received with an express obligation to repay are not within the “complete dominion” of the recipient and so are not includable in gross income.3Internal Revenue Service. IRS Memorandum on Advance Payments and Deposits The test is whether the business has a guarantee it gets to keep the funds. If the money must be returned when the customer performs, it’s a deposit. If the business keeps it no matter what, it’s an advance payment.
An advance payment is generally includable in gross income in the year received, even when the work won’t be performed until the following year. For accrual-method businesses, the IRS allows a limited deferral: you can include only the portion recognized as revenue on your financial statements for the current year and defer the rest to the next tax year, but no further.4Internal Revenue Service. Revenue Procedure 2004-34 – Deferral Method for Advance Payments One year is the maximum. You cannot spread advance payment income over the life of a multi-year project.
Why the Label on the Invoice Doesn’t Decide It
Calling something a “deposit” on the invoice doesn’t make it a non-taxable deposit if the buyer has no realistic path to a refund. If your contract says the deposit is non-refundable and applied to the final price, the IRS treats it as an advance payment, taxable in the year received. If you want the tax treatment of a true deposit, the contract has to give the customer a genuine right to a refund under defined conditions. Match the invoice language, the contract language, and the tax treatment you actually want, and check the result with an accountant before it becomes a return.
How to Book a Deposit
Under standard accounting principles, a customer deposit is not revenue. When you receive one, you record it as a current liability on your balance sheet, typically in an account called “customer deposits” or “unearned revenue.” You owe the customer either the goods and services they paid for or a refund. Until you deliver, the money is an obligation, not income.
Once the work is done or the goods are delivered, you move the amount from the liability account to revenue. That’s why every deposit invoice needs to reference a specific project or order. Without that link, reconciling the liability account at year-end turns into guesswork. For businesses that collect many deposits, a clean system for matching each deposit to a project prevents both accounting errors and awkward conversations with auditors.
Applying the Deposit to the Final Invoice
When the work is finished or the goods are delivered, the final invoice reconciles everything. It shows the total project cost, then lists the deposit as a line-item credit with a reference to the original deposit invoice number. The difference is the remaining balance.
If there were progress payments along the way, each one should appear as a separate credit line with its own invoice reference. Once the client pays the remaining balance, keep the full chain of documents (deposit invoice, payment confirmations, and final invoice) for at least as long as your state’s statute of limitations for contract claims, which runs between three and six years in most states.