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What Is a Pro Forma Invoice?
A pro forma invoice is a preliminary bill sent to buyers before shipment or delivery of goods. Unlike commercial invoices, these documents are not payment demands but provide:
- Cost estimates for customs clearance
- Payment terms and conditions
- Detailed product/service descriptions
- International trade documentation
Key Characteristics:
- Legally non-binding (unless specified otherwise)
- Required for international shipments
- Often precedes formal contracts
- Helps buyers secure financing

When to Use Pro Forma Invoices?
International Trade
Required for customs clearance in 85% of countries
Helps calculate import duties/taxes
Pre-Shipment Agreements
Secures buyer approval before production
Outlines payment expectations
Funding Applications
Used to open letters of credit
Supports loan applications
Temporary Shipments
Trade show samples
Equipment rentals
Pro Forma vs. Commercial Invoice
Feature | Pro Forma Invoice | Commercial Invoice |
---|---|---|
Legal Status | Preliminary estimate | Legal payment demand |
Tax Purpose | Cannot be used for VAT | Official tax document |
Payment Due | No payment expected | Payment required |
Customs Use | Estimated values | Actual transaction values |
Binding Nature | Non-binding (usually) | Binding contract |
Essential Components of a Pro Forma Invoice
- Header – “Pro Forma Invoice” clearly stated
Unique Number – PFI-2023-001 format
Issue Date – Creation date
Seller/Buyer Info – Full legal details
Product Details – SKUs, quantities, specs
Price Breakdown – Unit costs, discounts, totals
Shipping Terms – Incoterms (FOB, CIF, etc.)
Payment Terms – Net 30, 50% deposit, etc.
Validity Period – Typically 30-90 days
How to Create a Pro Forma Invoice?
Step-by-Step Process:
Use Professional Templates: Maintain brand consistency
Number Sequentially: PFI-2023-001, PFI-2023-002
Calculate Totals Accurately: Include all foreseeable costs
Specify Validity: “Valid for 60 days from date”
Send Electronically: PDF with tracking
Sample Validity Clause: “This pro forma invoice is valid for 30 days from the date of issue. Prices subject to change based on market conditions or order modifications.”
FAQs
Generally no—unless explicitly stated as a contractual agreement. Most serve as estimates only.
No. Tax authorities require commercial invoices for VAT/GST reporting in most jurisdictions.
Typically 30-90 days, depending on:
Market volatility
Supplier policies
Buyer requirements
Yes, for:
- Letter of credit applications
- Trade financing
- Import/export documentation

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