---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/21651#article
headline: "21651: Document does not satisfy regulatory requirement"
url: https://www.twilio.com/docs/api/errors/21651
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 21651: Document does not satisfy regulatory requirement

Log Level: ERROR

## Description

The document being mapped to the number does not satisfy the regulatory requirements.

### Possible causes

* The document is the incorrect type for the number you are trying to purchase or update.
* The document does not have the correct metadata fields required for the number you are trying to purchase or update.
* The document sid is not valid.

### Possible solutions

* Ensure that the document you are using satisfies the regulatory requirement.
* Ensure the document sid refers to a document on your account or subaccount.
* Contact support for assistance.