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how to write a payment terms clause that actually gets you paid

A payment terms clause states exactly when payment is due, how it is calculated, and what happens when it is late. The core protections are a deposit before work starts, named invoice triggers, a specific net window, and a late-fee plus stop-work right so a slow-paying client cannot use your labor as free credit.

Anatomy of a strong payment-terms clause

Deposit
An upfront, non-refundable payment due before any work begins, usually 30 to 50 percent of the project fee. The deposit confirms the client is committed and gives you working capital. State the exact amount or percentage and the words 'non-refundable' so a client who cancels mid-project cannot claw it back as unearned.
Invoice triggers
The specific events that let you send an invoice — signature, milestone completion, delivery, or a calendar date. Tie invoices to events you control, not to client approval, because approval can be withheld indefinitely. 'Invoiced on delivery of each milestone' protects you far better than 'invoiced on client acceptance.'
Net window
The number of days the client has to pay after an invoice is issued, written as a specific figure like Net 15 or Net 30. Shorter is better for cash flow; Net 7 to Net 15 is reasonable for solo work. Avoid 'payable promptly' or 'upon receipt' without a number — undefined windows are unenforceable and quietly stretch to 60 days.
Late fee
A stated penalty for payment past the net window, usually 1.5 percent per month or a flat fee. The fee matters less for the revenue than for the signal: it tells the client that your deadline is real and gives you leverage in a collection conversation. Put the exact percentage in writing so you never have to invent it after the fact.
Stop-work right
A clause that lets you suspend work and withhold deliverables when an invoice is overdue past a stated grace period. This is your strongest protection — it stops you from delivering more value to a client who has already shown they will not pay. Pair it with a statement that final files transfer only on full payment.

Example language

Drop this into your contract and adapt the bracketed placeholders.

Payment. A deposit of [50%] of the total project fee is due and non-refundable before work begins. The remaining balance is invoiced on delivery of each milestone as listed in the project schedule, and is payable Net [15] from the invoice date. Invoices unpaid after [15] days accrue a late fee of [1.5%] per month on the outstanding balance. If any invoice remains unpaid [7] days past its due date, [Provider] may suspend all work and withhold delivery of completed materials until the account is current. Title to final deliverables transfers to [Client] only upon receipt of payment in full.

Common mistakes

  • Starting work before the deposit clears — a verbal commitment is not capital, and the deposit is your only leverage if the client disappears.
  • Writing 'payable upon receipt' with no day count, which leaves the net window undefined and unenforceable in practice.
  • Tying invoices to client acceptance instead of delivery, so a client can defer payment forever simply by never formally approving.
  • Omitting a late fee, which removes any cost to paying you slowly and trains the client to deprioritize your invoices.
  • Making the deposit refundable, letting a client cancel after consuming your discovery and planning time at no cost to them.
  • Leaving out a stop-work right, so you keep delivering value to a client who is already in default.
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Frequently asked questions

How big should a freelance deposit be?+

For most project work, 30 to 50 percent is standard. Larger or longer engagements justify the higher end, or a milestone-based schedule where each phase is paid before it begins. The deposit should cover at least the work you would lose if the client vanished after kickoff — your discovery, planning, and the first chunk of production. Below 30 percent, the deposit stops functioning as real commitment.

What does Net 15 actually mean?+

Net 15 means the full invoice amount is due 15 calendar days after the invoice date. The clock starts when you issue the invoice, not when the client opens or acknowledges it. Net 30 is common with larger companies, but for solo freelancers Net 7 to Net 15 keeps your cash flow healthy. Whatever number you pick, state it explicitly so 'soon' never becomes the operative term.

Can I legally charge a late fee on overdue invoices?+

Yes, provided the fee is stated in the signed contract before the work begins. A common figure is 1.5 percent per month on the outstanding balance, which is enforceable in most jurisdictions as long as it is not punitive. Check your local cap on interest rates, but a clearly disclosed monthly percentage written into the agreement is standard and rarely contested.

What if the client refuses to pay the deposit?+

Treat it as a signal, not a negotiation. A client unwilling to commit a deposit before work is a client who may be unwilling to pay at the end. Hold the line: no deposit, no start date. If they genuinely cannot pay upfront, restructure into smaller milestones each paid in advance, so your exposure at any moment stays small.

Should I withhold final files until I am paid?+

Yes, and your contract should say so explicitly. State that title to final deliverables transfers only on payment in full. You can share watermarked or low-resolution previews for approval, but the production files, source files, and rights stay with you until the balance clears. This is the single most effective lever for getting a final invoice paid.

How do I handle a client who pays late repeatedly?+

Enforce the late fee every time, without exception, and invoke your stop-work right once an invoice passes the grace period. For a chronic offender, shift future work to pay-in-advance milestones so you are never carrying unpaid labor. Consistency is what changes behavior — a late fee you waive 'just this once' teaches the client it is optional.

Related reading

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