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Invoice Billing Address Validator

Check a billing address is complete and correctly formed for its country, before it is invoiced.

Quick Tool Overview

The Invoice Billing Address Validator checks that a billing address is complete and correctly formed for its country — postcode format, enough lines, the country line on cross-border invoices — and warns about PO boxes and care-of addresses.

What it does
Checks billing addresses on invoices
You give it
An address and its country
You get back
A checklist of what is missing or wrong
Best for
Cross-border invoicing and VAT evidence
Invoice Tools Free, unlimited use No sign-up Runs in your browser

About the Invoice Billing Address Validator

A billing address on an invoice does three jobs: it identifies the legal entity being charged, it decides the tax treatment on a cross-border sale, and it is where a paper invoice or a chaser actually goes. An address missing its postcode or its country fails at least one of them.

Paste an address and choose the country. This checks what a postal service and a tax inspector both look for: enough lines to be a real address, a postcode in that country’s format — a UK outward and inward code, a Dutch four digits and two letters, an Irish Eircode, a six-digit Indian PIN — and a country line on anything crossing a border.

It also flags the things that cause trouble later: a PO box where a registered office is required, a care-of address, a postcode that belongs to a different country from the one selected. It is a format check rather than a delivery check — no address database is consulted, because nothing is uploaded.

Key features of the Invoice Billing Address Validator

Postcode formats

Fifteen countries, by their own pattern.

Country line

Required on anything crossing a border.

PO box warnings

Where a street address is expected.

Works with the formatter

Which rewrites it in the right order.

No lookup

A format check, with nothing uploaded.

How to use the Invoice Billing Address Validator

  1. 1

    Paste the address

    As it appears on the invoice, one line per line.

  2. 2

    Choose the country

    The postcode rule and line order follow from it.

  3. 3

    Read the findings

    Missing parts, wrong postcode format, and warnings.

  4. 4

    Tidy it up

    The Invoice Address Formatter rewrites it in the right order.

Frequently asked questions

No. That needs a postal address database, which would mean sending the address to a server. This checks that the address is complete and correctly formed for its country.

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