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

# US compliance and best practices checklist

> A comprehensive checklist for SMS/MMS compliance in the United States.

# US compliance and best practices checklist

A comprehensive checklist for SMS/MMS compliance in the United States.

Use this checklist to ensure your messaging practices comply with US regulations and follow best practices.

## Before sending messages

* [ ] Obtained express written consent from recipients
* [ ] Verified phone numbers are valid and opted-in
* [ ] Checked Do Not Call Registry (if applicable)
* [ ] Confirmed recipient is within allowed time window (8 AM - 9 PM)
* [ ] Included clear business identification
* [ ] Included opt-out instructions in initial message
* [ ] Documented consent and opt-in records

## Message content

* [ ] Message content is truthful and not misleading
* [ ] Business name is clearly identified
* [ ] Contact information is provided
* [ ] Opt-out instructions are included
* [ ] Message purpose is clearly stated
* [ ] Content complies with all applicable laws

## Consent management

* [ ] Consent was obtained through clear opt-in mechanism
* [ ] Consent is documented and stored securely
* [ ] Consent can be revoked at any time
* [ ] Records of consent are maintained
* [ ] Consent was obtained separately from terms of service

## Opt-out management

* [ ] Easy opt-out mechanism is provided
* [ ] STOP keyword is supported
* [ ] Opt-out requests are processed immediately
* [ ] Opt-out confirmations are sent
* [ ] Opt-out list is maintained and respected
* [ ] No messages are sent to opted-out numbers

## Record keeping

* [ ] Consent records are maintained
* [ ] Message logs are kept
* [ ] Opt-out requests are documented
* [ ] Compliance audits are conducted regularly
* [ ] Privacy policy is up-to-date

## Monitoring and compliance

* [ ] Delivery rates are monitored
* [ ] Complaint rates are tracked
* [ ] Compliance is reviewed regularly
* [ ] Staff are trained on compliance
* [ ] Legal counsel is consulted when needed

## Privacy and data protection

* [ ] Customer data is protected
* [ ] Privacy policy is published and up-to-date
* [ ] Data security measures are in place
* [ ] Data access is controlled
* [ ] Data retention policies are followed

**See also:**

* [Key US regulations →](/help-and-reference/deliverability-compliance/united-states-sms-mms-compliance/key-us-regulations)
* [US compliance FAQs →](/help-and-reference/deliverability-compliance/united-states-sms-mms-compliance/us-compliance-faqs)