sealed trait VcnStatus {
  val name: String
  val code: String
}

case object Deleted extends VcnStatus { val name = "Deleted"; val code = "D" }
case object Issued extends VcnStatus { val name = "Issued", code: String = "I" }
case object Authorized extends VcnStatus { val name = "Authorized", code = "A" }
case object Settled extends VcnStatus { val name = "Settled", code = "S" }