The terms and conditions should include a description of the types of messages users will receive (e.g., promotional, informational), an estimate of how often messages will be sent (e.g., daily, weekly), and a notice stating 'Message and data rates may apply.' The terms and conditions should include clear instructions for users on how to unsubscribe from messages and how to get assistance. For example, include statements like 'Text STOP to unsubscribe' and 'Text HELP for assistance'.