# 30896: Campaign vetting rejection - Opt-in Error

Log Type: APPLICATION

Log Level: ERROR

## Description

The campaign submission has been reviewed and it was rejected because of provided Opt-in information.

### Possible causes

* Opt-in message workflow does not meet the requirements for the specific campaign type.
* Consent is required but not adequately provided or maintained.
* Opt-in information is shared with third-party entities.

### Possible solutions

1. Ensure compliance with Twilio Messaging Policy relating to opt-in
2. Detail All Opt-in Methods: Include all methods of opt-in, whether electronic, paper form, in-person verbal opt-in, or other means.
3. Provide Necessary Links and Documentation: If opt-in is collected through a paper form or behind a login, supply a hosted link to an image of the opt-in. If the opt-in occurs on a website, provide the relevant link.
4. Include Privacy Policy and Terms of Service: The website where opt-in occurs must contain a privacy policy and terms of service.
5. Avoid Third-Party Sharing: Make sure that opt-in information is not shared with unauthorized third parties.
6. Ensure Opt-in is Verifable: Each campaign is manually reviewed and needs to be verifable by a human.

Once you have made a change to address the issue, please resubmit the campaign for review.

Additional help resources

* [CTIA Guidelines](https://www.ctia.org/the-wireless-industry/industry-commitments/messaging-interoperability-sms-mms)
* [A2P 10DLC campaign approval best practices](https://support.twilio.com/hc/en-us/articles/11847054539547-A2P-10DLC-Campaign-Approval-Best-Practices)