“Due soon” got me paid in 23 days. “Due Oct 1, 2026 (Net 15)” got me paid in 6. Same client, same work — different words on the invoice. Invoice payment terms are not legal wallpaper; they are the highest-ROI lines on the page. Here are the terms, due-date formats and reminder scripts I use to get paid 2× faster without sounding rude.
Part of the free invoice generator guide. Print terms from the free invoice generator; close paid bills with a receipt; start jobs with a quotation.
Payment terms that actually work (copy these)
| Term | Means | Use when |
|---|---|---|
| Due on receipt | Pay immediately | Small gigs under ₹10k, walk-in work |
| Net 7 / Net 15 | 7 / 15 days from issue | New clients, retainers (my default: Net 15) |
| Net 30 | 30 days | Large enterprises only, slow AP cycles |
| 50% advance | Half before start | Projects above ₹25k / $500 |
| 2%/month late fee | Interest after due | Always print it — rarely enforce, always respect |
- Always pair “Net X” with a calendar date: “Net 15 — due Oct 1, 2026”. Dates beat terms; together they are bulletproof.
- Name the method on the PDF: “UPI: name@upi · Bank: HDFC XXXX1234, IFSC …” If they must ask how to pay, you lose 5 days.
- New clients = shorter terms. I start everyone on Net 15; Net 30 is earned after 3 on-time payments. Say this kindly on the call.
3 copy-paste emails (send, nudge, firm)
1 — Send (day 0, Tue–Thu morning)
Subject: Invoice INV-2026-001 — $550 due Sept 29
Body: “Hi Priya — invoice INV-2026-001 for $550 (design, Aug) due Sept 29. UPI/bank on the PDF. Anything accounts needs, just reply here. Thanks!” Attach invoice-acme-001.pdf.
2 — Polite nudge (day 3 overdue)
Subject: Re: Invoice INV-2026-001 — quick check
Body: “Nudging INV-2026-001 ($550, was due Sept 29). Anything held up on your side? Re-attached the PDF. Thanks!” Re-attach. 60% of my late bills clear within 48 hours of this one.
3 — Firm + date (day 7 overdue)
Subject: INV-2026-001 overdue — please confirm payment date
Body: “Following up on INV-2026-001 ($550, due Sept 29, 7 days overdue). Please confirm the payment date so I can plan. Late terms (2%/mo) apply after the 14th. Thanks!” Still warm, now specific.
Late-fee wording that is firm but professional
Print this on every invoice: “Payment due Oct 1, 2026 (Net 15). 2% per month applies after due date. Work pauses on retainers 14+ days overdue.” Enforce rarely, print always — the line itself halves delays. For retainers, add “paused work” explicitly; I have paused twice in 6 years and both clients paid within 24 hours. Full doc-type flow in invoice vs quotation vs receipt; numbering hygiene in numbering guide.
- India: UPI + bank both printed; WhatsApp nudge with PDF works, email stays the record.
- US/UK: ACH/bank or Stripe links; morning sends in client timezone; VAT-registered UK clients get VAT-split PDFs.
- Never: threaten on first nudge, add surprise fees, or CC the CEO on day 3. Escalate warmth-first.