Guides

How to Offer a Payment Plan for an Overdue Invoice (Email Templates)

Sometimes a client isn't ignoring you. They genuinely can't pay the full amount right now. Insisting on everything at once can leave you with nothing, while a short payment plan turns a stalled invoice into a schedule you can follow up against. The key is doing it in writing, with exact amounts and dates, so one overdue invoice doesn't quietly become several. Here's when to offer a plan, what it should include, and emails for every step.

When a payment plan makes sense

• The client has replied and is engaging in good faith, but says they can't pay in full right now.
• You'd rather keep the client relationship than escalate.
• The amount is large enough that splitting it is realistic for them and still worthwhile for you.

It usually makes less sense to offer a plan before the client has asked for flexibility, because it can signal that full payment is optional. It's also a poor fit for a client who has stopped responding altogether. In that case, a firm reminder or a final notice is the better next step.

What to agree in writing

• Which invoices the plan covers, and the total outstanding.
• The amount and date of every installment. Ask for a meaningful first payment soon, as a sign of good faith.
• How to pay, and the reference to use on each payment.
• Whether late fees or interest are paused while payments arrive on time.
• What happens if an installment is missed, for example the remaining balance becoming due in full.
• That new work is invoiced on your normal terms, separately from the plan.
• Whether you'll pause new work until the balance is cleared.

Keep the plan short. A few installments over a few weeks or months is easier for both sides to stick to than a long schedule, and it keeps your risk low.

Email 1: Offering a payment plan

Subject: Invoice #[number]: finding a way forward

Hi [Client name],

Thanks for letting me know where things stand with invoice #[number] for [amount], which was due on [due date].

If paying the full amount right now isn't possible, I'm open to a short payment plan. Could you let me know:
- how much you can pay this week
- what you could pay each [week / month] after that

Once I hear back, I'll put the plan in writing for you to confirm.

If you're able to pay in full after all, you can do that here: [payment link]

Thanks,
[Your name]

Email 2: Proposing a specific schedule

If the client asks you to suggest something, propose concrete numbers rather than leaving it open-ended.

Subject: Proposed payment plan for invoice #[number]

Hi [Client name],

Here's a schedule that would clear invoice #[number] ([amount]) over the next [timeframe]:

1. [Amount] by [date]
2. [Amount] by [date]
3. [Amount] by [date]

You can pay each installment here: [payment link]

Does this work for you? If you need a slightly different split, let me know and we can adjust it before we confirm.

Thanks,
[Your name]

Email 3: Confirming the plan in writing

Subject: Payment plan for invoice #[number]: please confirm

Hi [Client name],

Thanks for working this out with me. As agreed, here's the payment plan for the outstanding balance.

Invoice covered: #[number], dated [invoice date], [amount]
Total outstanding: [total]

Payment schedule:
1. [Amount] by [date]
2. [Amount] by [date]
3. [Amount] by [date]

How to pay: [payment link or details], reference [invoice number]
Fees: No late fees will be added while payments arrive on the dates above.
Missed payment: If a payment is more than [number] days late, the remaining balance becomes due in full.
New work: Any new invoices are due on our usual terms and aren't part of this plan.

Please reply to confirm you agree. I'll send a short reminder a few days before each payment date.

Thanks,
[Your name]

Email 4: Reminder before each installment

Subject: Payment [number] of [total] due [date]

Hi [Client name],

A quick reminder that payment [number] of [amount] under our plan for invoice #[number] is due on [date]. After this payment, the remaining balance will be [remaining balance].

Pay here: [payment link]

Thanks,
[Your name]

Email 5: When an installment is missed

Subject: Payment [number] of our plan: not yet received

Hi [Client name],

Payment [number] of [amount] was due on [date] under the plan we agreed on [agreement date], and I haven't received it yet.

Could you let me know today when it will be paid? As set out in the plan, if it's more than [number] days late, the remaining balance of [remaining balance] becomes due in full. I'd much rather keep the plan on track.

Pay here: [payment link]

Thanks,
[Your name]

Email 6: Plan completed

Subject: Invoice #[number]: paid in full, thank you

Hi [Client name],

Your final payment came through, so invoice #[number] is now paid in full. Thank you for sticking to the plan.

I'm glad we could work this out, and I'm happy to keep working together on our usual terms.

Best,
[Your name]

Tips for keeping a plan on track

• Treat each installment as its own deadline, and track it with the amount, the date and whether it's paid.
• Send each reminder a few days before the date, not after it's missed.
• Confirm every payment you receive with the remaining balance, so you both see the same number.
• Follow up quickly on a missed installment. Waiting tends to make the next one slip too.
• If the client stops paying and stops replying, move to a final notice rather than renegotiating again.

Avoid needing a plan in the first place

Many payment plans start with an invoice that slid for weeks without a follow-up. Steady, polite reminders catch problems early, while a client can still pay in full. ChaseOwl sends those reminders for you automatically on the due date and at 3, 7 and 14 days late. You can try it free for up to 2 invoices. This guide is general information, not legal or financial advice.

More guides

• How to Write an Invoice Email (With Templates You Can Copy)
• Net 30 Payment Reminder Schedule: When to Follow Up (With Templates)
• How to Charge Late Fees on an Invoice (Wording and Email Templates)

Free tools

• Late fee calculator: Enter the amount and due date to see days overdue and the late fee owed, as a flat fee or a monthly percentage.
• Payment reminder email generator: Write a friendly, firm or final reminder email for an unpaid invoice in seconds, ready to copy and send.
• Free invoice template: Fill in a clean invoice in your browser, then print it or save it as a PDF. No login needed.