---
page_type: error
code: 18001
message: "18001: Invalid document submission"
level: ERROR
product: Phone Numbers
---

## Description

The document you have uploaded does not match our Regulatory Requirements criteria.

### Possible Causes

The document you have uploaded does not match our acceptable documentation for the Regulatory Requirements.

### Possible Solutions

Please re-submit after uploading a Supporting Document according to our Guidelines. https://www.twilio.com/en-us/guidelines/regulatory