Digital cover image showing tax-ready proforma invoice layout with AI-generated fields, business branding, and export-ready summary

Tax Tips: Proforma Invoices and What You Should Know

Understand how proforma invoices work, how they affect tax reporting, and when to use them legally.

Saddam Hosen
Saddam Hosen 09 Apr 2025

If you're doing business across borders or preparing quotations for clients, you've probably come across the term proforma invoice. But many small business owners and freelancers still aren't sure what it is, when to use it, or how it affects taxes. In this blog, we’ll break it all down simply, so you can invoice smarter and stay tax-compliant.


What is a Proforma Invoice?

A proforma invoice is a preliminary bill or quotation sent to a buyer before delivering goods or services. It outlines the details of a transaction — items, prices, taxes, totals — but it's not a legally binding invoice for payment. Think of it as a draft or estimate of the final invoice.

It helps both the seller and buyer confirm details before making it official. It's commonly used in:

  • International shipping and customs documentation

  • Export/import businesses

  • Pre-sales quotations for B2B services


Do Proforma Invoices Affect Taxes?

No — a proforma invoice does not directly affect your taxes because it isn’t an actual transaction. It’s not entered in your books as income or a receivable, and it's not reported to tax authorities.

However, you should still include tax rates like VAT, GST, or sales tax to give your client clarity. This sets the expectation for the final invoice and avoids surprises later.


When Should You Use a Proforma Invoice?

Use a proforma invoice when you:

  • Want to give your customer a quotation with a clear item/tax breakdown

  • Need a document for customs or logistics

  • Are waiting for client confirmation before billing

  • Want to lock in a price estimate before delivery

Never treat it as a real invoice. Always follow up with a final invoice once the deal is confirmed.


What Information Should a Proforma Invoice Include?

Your proforma invoice should include:

  • Business name and contact info

  • Client details

  • Itemized list of goods or services

  • Quantities and unit prices

  • Applicable taxes (GST, VAT, etc.)

  • Estimated shipping costs

  • Valid-through date or quote expiry

  • A clear label: “Proforma Invoice – Not for Payment”

This keeps your documents professional and avoids confusion during tax filing or audits.


How to Create a Proforma Invoice for Free

You can generate a complete proforma invoice in minutes using the Free Document Maker Proforma Invoice Generator.

It’s free, no signup is required, and it helps you:

  • Add custom branding and logos

  • Include taxes and discount fields

  • Download or print high-quality PDFs

  • Use it on desktop or mobile

Once your customer approves the quotation, you can easily recreate it as a real invoice using our Invoice Generator.


Proforma Invoice vs Invoice – Key Differences

Proforma Invoice

Standard Invoice

Estimate or quote

Legally binding bill

Not used for tax

Used for tax/reporting

No payment expected

Requests payment

Used before delivery

Used after delivery


Final Thoughts

A proforma invoice is a valuable tool when used correctly. It helps you communicate expectations, clarify costs, and prepare for international trade or services. Just remember — it’s not a replacement for an actual invoice.

Use it to quote smartly, stay transparent, and keep your paperwork professional.
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