> ## Documentation Index
> Fetch the complete documentation index at: https://docs.iron.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Proof of Address

> When proof of address (POA) is required, accepted documents, and criteria.

## When it's required

* **Tier 1:** conditional. Requested when any of these apply:
  * The customer's ID document country differs from their residence country (except EU citizens).
  * Their residence permit lacks address data, or it does not match their provided address.
  * They reside in, or connect from an IP in, a high-risk jurisdiction.
* **Tier 2 and high-risk customers:** always required.

## Accepted documents

All documents must be issued within the **last 3 months**:

* Utility bill (electricity, gas, internet, landline, water)
* Bank or credit card statement
* Tax invoice
* Mortgage statement
* Certificate of voter registration
* Signed, current lease agreement
* Employer's certificate (payslips not accepted)
* Other government-issued residential document

## Criteria

* Shows the customer's full name and complete residential address (no PO boxes)
* Shows the issuing entity's name and issue date
* Entire document visible, as an original photo or PDF

Not accepted: IDs (such as driver's licenses), screenshots, spreadsheets, medical bills, insurance statements. A payslip is not accepted for POA, but it is accepted for [source of wealth](/source-of-wealth).