Most exchange fee models require that if a user is entitled to see data, then

• A. They may claim credits only for the period of time they were travelling, on holiday or otherwise not using the data
• B. They are fee liable for that particular month, regardless of whether or not they ever saw or made use of the data
• C. If they can provide a DAD (Honesty Statement) that they did not use data that month, the fees will be waived
• D. They must renew their license before the end of the month

Answer: (B)