Which of the following statements is true about ABNs?

A. ABNs are used for both Medicare Part B and Medicare Part D medications.
B. The original ABN is provided to the patient and a copy is kept with the prescription hard copy.
C. ABNs must be provided to Medicare Part B patients before dispensing a prescription that may not be covered completely by Medicare.
D. Only pharmacists can date the ABN if the patient leaves it blank.