Invoice Payment Terms and How to Chase Late Payments

Sending a perfect invoice is only half the job. The other half is getting paid for it. Late payment is the most common financial problem freelancers face, and most of it is preventable with clear terms agreed before work starts and a calm, consistent follow-up routine afterwards. This guide covers how to set payment terms, what to put on your invoice, how to chase politely, and what options you have under Indian law when a client stops responding.

Why clients pay late (and what that tells you)

Clients rarely delay because they are villains. Common reasons are:

• The invoice went to the wrong person or an inbox nobody checks.
• The invoice lacked a purchase order number, GSTIN or other detail their system requires.
• The person who commissioned you is not the person who approves payments.
• Their finance team pays on a fixed cycle (for example, once a month) and you missed it.
• Cash is tight and your invoice is simply low on the list.

The first four are your fault in the best possible sense: you can fix them with better paperwork. Only the last one needs a firmer approach.

Setting payment terms before you start

Terms belong in the proposal or contract, not only on the invoice. The most useful elements are:

• Advance. For new clients and projects of any size, ask for 30% to 50% upfront. It filters out unserious clients and funds the early work.
• Milestones. Break larger projects into stages with payments tied to deliverables, so no single invoice carries too much risk.
• Payment window. Common terms are due on receipt, net 7, net 15 and net 30 (payable within that many days of the invoice date). For freelancers, shorter is better. Fifteen days is a reasonable default and thirty is the maximum most small suppliers should accept.
• Late fee or interest. A modest, clearly stated charge such as "1.5% per month on overdue amounts" discourages casual delays. You may never enforce it, but it signals that dates matter.
• Work stoppage. State that you may pause work, or withhold final files, while an invoice is overdue.
• Ownership of deliverables. Transfer rights on full payment. It is your strongest lever.

What to write on the invoice itself

Make the invoice impossible to misunderstand:

1. Invoice date and a specific due date, not just "net 15". An actual date such as 18 November 2026 is easier to act on.
2. The amount due and any advance already received.
3. Your payment details: bank name, account number, IFSC and a UPI ID. Fewer steps for the client means faster payment.
4. The client reference: PO number, project name or contract number.
5. A short line on late fees if your contract provides for them.
6. A named contact for billing questions.

BillBuddy has dedicated fields for the due date, bank details, UPI ID, notes and terms, so each of these appears on the PDF. Our free generator is a quick way to get these details right.

Send it to the right person, the right way

• Ask at the start: "Who should receive invoices, and what do you need on them?" Get an accounts email address, not just your project contact.
• Email the PDF with a short message and put the due date in the subject line: "Invoice INV-042 due 18 Nov, Website milestone 2".
• For large clients, check whether they use a vendor portal, and upload the invoice there as well.
• Ask for a confirmation of receipt. "Got it, will be processed by the 25th" gives you a date to hold them to.

A reminder schedule that works

Consistency matters more than tone. A simple schedule:

When	Action
3 days before due	Friendly heads-up with the invoice attached again
Due date	Short message: "Payment is due today. Please share a payment date if it is delayed."
3 days after	Polite reminder with the invoice and bank details
7 days after	Call the person who approves payment. Follow up by email
14 days after	Firm email, mentioning the contract's late fee and pausing any ongoing work
30 days after	Formal reminder, copy a senior contact, and say what happens next

Sample messages

Before due date:

Hi Priya, a quick note that invoice INV-042 (₹59,000) is due on 18 November. Bank details are on the invoice. Please let me know if you need anything from my side to process it.

After the due date:

Hi Priya, invoice INV-042 was due on 18 November and I have not yet received payment. Could you confirm when it will be paid? I have attached the invoice again. Thank you.

Firm follow-up:

Hi Priya, invoice INV-042 is now two weeks overdue. As per our agreement, a late fee of 1.5% per month applies and I will need to pause work on milestone 3 until payment is received. Please confirm the payment date by Friday so we can keep to the project schedule.

Keep every message factual, short and dated. Emails become evidence later.

Know your legal position in India

If polite reminders fail, you have more options than most freelancers realise.

• Interest under the MSMED Act. If you are registered under Udyam as a micro or small enterprise, which many freelancers and small service businesses can be, a buyer must pay within the agreed time and in any case within 45 days of acceptance. Interest on delayed payment is charged at three times the bank rate notified by the RBI, compounded monthly. Disputes can go to the state's Micro and Small Enterprises Facilitation Council, and the Samadhaan portal lets you file a case online.
• Income tax pressure on the buyer. A buyer who does not pay a micro or small enterprise within the statutory period can lose the tax deduction for that expense until they pay. Many finance teams know this and move quickly when reminded.
• GST leverage. If a registered buyer does not pay a supplier within 180 days, they generally have to reverse the input credit they claimed on that invoice and pay interest on it. This is a useful, polite point to raise with a corporate accounts team. Remember, though, that you still have to pay GST on the invoice you issued, even if the client has not paid you.
• Legal notice. A letter from an advocate demanding payment within a fixed period often gets results at a modest cost.
• Mediation and suits. For commercial disputes above the prescribed value, the Commercial Courts Act requires an attempt at pre-institution mediation before filing a suit. For smaller claims, ordinary civil courts or consumer-style forums may apply, depending on the facts.
• Cheque bounce. If a client pays with a cheque that bounces, there is a separate criminal remedy under Section 138 of the Negotiable Instruments Act, with strict notice timelines. Act on the first notice period quickly.

Take advice from a lawyer before filing anything. A written contract, signed estimates and the email trail are your key evidence.

Bad debts and GST

If you have to write off a debt, GST you have already paid on the invoice is not automatically returned. You can reduce your liability only by issuing a credit note within the time allowed by the GST law, and typically only where the conditions are met. Talk to your accountant before you write anything off, so you do not lose both the fee and the tax.

Reduce the risk in the first place

1. Vet new clients. Check their website, company registration and reviews. Ask for a PO on larger work.
2. Never deliver final files before final payment. Share watermarked or low-resolution previews until the balance is paid.
3. Invoice promptly. Send the invoice the day you deliver, not at month end.
4. Make payment easy. UPI links and bank details on the invoice remove excuses.
5. Track overdue invoices weekly. A simple spreadsheet with invoice number, due date and status is enough.
6. Be willing to stop. Pausing work on an overdue account is cheaper than doing more unpaid work.

Make your invoices do the chasing for you

A clear due date, complete payment details and a polite late-fee line make the first reminder much shorter. Start from a template that suits your kind of work, such as the consultant, photographer or event planner invoice, which already include sensible payment notes. And if you want to refresh what every invoice must contain, see our guide to mandatory GST invoice fields.

This article is general information, not legal advice. For a specific dispute, speak with an advocate or chartered accountant.