Section 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. 85 FR 67462 , Oct. 23, 2020