TERMS & CONDITIONS: ECTC bills on the 1st of every month. Payments are due by the 15th. Balances due after the 15th are considered late. Payments can be made cash, personal check, money order, ACH or credit card (VISA, Master Card or Discover). Payments will be accepted in person, by mail, or over the phone. Any credit balances on a customer’s account may be refunded by check, if desired, or will be applied to future charges or billings.