# 64.6100 Minimum and maximum Prepaid Calling and Debit Calling account balances.(a) No Provider shall institute a minimum balance requirement for a Consumer to use Debit or Prepaid Calling for Incarcerated People's Communications Services.(b) No Provider shall prohibit a Consumer from depositing at least $50 per transaction to fund a Debit or Prepaid Calling account that can be used for Incarcerated People's Communications Services.[89 FR 77366, Sept. 20, 2024]