Invoice Payment Terms: The Complete Guide

Payment terms are the part of an invoice most people don’t think about until it’s too late — until a client pays 45 days late because there was no clear due date, or until someone notices that “Net 30” on three different invoices means the client’s payment schedule is completely unpredictable.

Getting payment terms right is one of the simplest things you can do to improve cash flow. This guide covers every common term, when to use each, and how to make them stick.

What Payment Terms Actually Do

Payment terms serve three practical functions:

They set expectations. When a client receives your invoice, they should immediately know when payment is due — not estimate it, not calculate it, not ask. Ambiguity almost always results in later payment.

They create legal standing. Clearly stated payment terms (especially when they’re in a signed contract as well as on the invoice) give you the basis to charge late fees, pause work, or pursue collections if a client doesn’t pay. Without documented terms, you have much weaker footing.

They affect your cash flow directly. The difference between Net 15 and Net 30 isn’t just two weeks — it’s two weeks of cash you either have or don’t have. For a small business with payroll or suppliers to cover, that gap is real.

The Common Payment Terms, Explained

Net 30

Payment due 30 calendar days from the invoice date.

Net 30 is the default across most of B2B invoicing in the United States. Large corporations and government agencies often require it — their accounts payable systems have approval workflows that can’t move faster. If you’re invoicing enterprise clients, Net 30 is what they expect.

For freelancers and small businesses, 30 days can be a long time to wait, especially if you have ongoing expenses. Think about whether your cash flow can absorb a 30-day cycle before offering this as your standard term.

Net 15

Payment due 15 days from invoice date.

A good default for most solo and small business work. Fast enough to keep cash flowing, normal enough that most clients don’t push back. If a client is new and you’re not sure yet how they pay, starting with Net 15 is reasonable — you can always extend later once the relationship is established.

Net 7

Payment due 7 days from invoice date.

Common for small recurring invoices, web hosting, minor consulting check-ins. Clients with internal approval processes may struggle with 7 days, so use it selectively — primarily for clients you’ve worked with before and know pay quickly.

Due on Receipt (Net 0)

Payment due immediately upon receiving the invoice.

This term leaves no ambiguity. It’s used for new clients where you’re not extending any credit, small transactions, retail scenarios, and situations where you want the payment cycle to be as short as possible.

In practice, “Due on Receipt” typically means “pay within a few days” rather than the same business day. If you genuinely need payment before starting work, require a deposit rather than relying on Due on Receipt terms.

2/10 Net 30

2% discount if the client pays within 10 days; otherwise, full amount due within 30 days.

The notation follows a standard format: [discount %] / [days to qualify] Net [due date]. So “2/10 Net 30” means: pay by day 10, save 2%; otherwise pay the full amount by day 30.

This works because the math is compelling for financially savvy clients. A 2% discount for paying 20 days early translates to an annualized return of roughly 36% — far better than anything they’d get from a short-term investment. Larger companies with available cash often take this opportunity.

For you, the 2% cost is small compared to getting paid three weeks faster.

Net 60 / Net 90

Payment due 60 or 90 days from invoice date.

These extended terms are common in manufacturing, construction, and large enterprise procurement. They’re often non-negotiable — it’s how the client’s systems work, period.

If you have to work with Net 60 or Net 90 clients, factor that cycle into your pricing, or require a deposit upfront that covers your costs while you wait. Don’t let long payment terms quietly eat into your margins.

EOM (End of Month)

Payment due at the end of the calendar month in which the invoice is issued.

If you invoice a client on March 10, the payment is due March 31. “Net 30 EOM” means 30 days from the end of the month — so an invoice issued March 10 is due April 30.

EOM terms make sense when you’re sending multiple invoices to the same client each month and want everything due at once — simpler for both your billing and their AP processing.

MFI (Month Following Invoice)

Payment due on a specific date in the month after the invoice was issued.

“15 MFI” on an invoice issued March 5 means payment is due April 15. Used for retainers and recurring services where a predictable billing cycle matters.

CIA (Cash in Advance)

Full payment required before work begins or goods are shipped.

Maximum protection for the seller. Used when dealing with new international customers, high-risk clients, or custom orders where upfront costs are significant. Can deter some buyers, so a modified approach — 50% deposit upfront, 50% on delivery — is a common compromise.

COD (Cash on Delivery)

Payment collected at the time of physical delivery.

More relevant for product-based businesses than service businesses. Modern equivalents include “payment on completion” for service work.

Milestone-Based / Stage Payments

Payment tied to project phases rather than a single date.

For long projects — software development, construction, consulting engagements — splitting payments across milestones protects both parties. A typical structure might be: 30% at project start, 30% at first major deliverable, 40% on final completion and approval. Each payment has its own mini-invoice tied to a specific deliverable.

---

Choosing the Right Terms

For different client types

• Individuals and very small businesses: Net 7–15 or Due on Receipt
• Small to medium businesses: Net 15–30
• Large enterprises and corporations: Net 30–60 (often non-negotiable)
• Government clients: Net 30–90 (mandated by procurement rules)

For different invoice sizes

Small invoices under $500 can reasonably use shorter terms — Due on Receipt or Net 15. For invoices over $5,000, Net 30 is standard, though a deposit requirement before starting work is also worth considering.

For new vs. established clients

New clients haven’t proven they pay reliably. Shorter terms or a deposit upfront reduces your exposure until the relationship is established. Once someone has paid you two or three times without issues, you can extend their terms if it helps the relationship.

For industries with norms

Know what’s standard in your field. Demanding Net 7 in an industry where Net 30 is universal will create friction. Work within industry norms, then selectively negotiate exceptions.

---

How to Make Terms Actually Stick

Setting terms is the easy part. Getting clients to respect them is where it often breaks down.

Put terms in the contract first. Before any work starts, payment terms should be in writing in your service agreement or contract. When the same terms appear in both the contract and on the invoice, they’re much harder for clients to dispute. “I didn’t see that on the invoice” isn’t a valid defense when it’s also in the signed contract.

Repeat them on every invoice. State the due date explicitly (not just “Net 30” — write out the actual calendar date), list accepted payment methods, and include your late fee policy.

Invoice the day the work is done. Every day you delay sending an invoice is a day you’ve added to your wait for payment. The clock starts when the invoice is sent.

Send a reminder before the due date. A brief email two to three days before the due date — “Just a reminder, invoice INV-048 is due Friday” — catches the invoices that got lost or forgotten. Most delayed payments at this stage are genuinely just oversight.

Charge late fees, and say so upfront. Common late fee structures: a flat fee ($25–50 per late payment), a monthly percentage (1.5% per month is common), or an escalating structure. The late fee itself isn’t always the point — it’s a signal that you take your billing seriously and that non-payment has consequences.

Stop work for significant non-payment. Continuing to work for a client who hasn’t paid a substantial invoice sends the message that you’ll accept non-payment indefinitely. Pausing work until the balance is settled is both professionally reasonable and practically effective.

---

When Payment Is Late

A structured escalation process is better than improvising each time:

1–3 days overdue — Short, polite email. Most late payments at this stage are forgotten invoices. Assume good faith and just remind them.

7 days overdue — Follow up more directly. Reference the invoice number and amount. Ask if there’s an issue you should know about. Reattach the invoice.

14 days overdue — Phone call. Email is easy to ignore; a phone call gets attention. Mention that late fees are accruing per your stated terms.

30 days overdue — Formal payment demand. Pause any active work for that client. Research your options: collections, small claims, mediation.

60+ days overdue — Weigh the cost of collection against the amount owed. Collection agencies typically recover 60–70% (keeping 25–40% as their fee). Small claims courts handle amounts up to $5,000–$15,000 depending on the state, without attorney requirements. For larger amounts, consult a lawyer.

---

Quick Reference: Terms Summary

Term	Days to Pay	Best For
Due on Receipt	0	New clients, small amounts
Net 7	7	Recurring clients, small recurring invoices
Net 15	15	Freelancers, small-medium projects
Net 30	30	Standard B2B
2/10 Net 30	10 (with discount) or 30	Incentivizing fast payment
Net 60	60	Large enterprises
EOM	End of month	Monthly batch billing
Milestone	Per project phase	Long-term projects
CIA / Deposit	Before delivery	High-risk, custom orders

---

Clear terms take five minutes to set up once and pay dividends on every invoice afterward. Define them in your contract, put them on every invoice, and follow up consistently. That’s the whole system.

Our free invoice generator lets you set payment terms and auto-calculates the due date based on the terms you choose. Download a polished PDF in minutes.

---

Also useful: How to Create a Professional Invoice · Small Business Invoicing Guide