Notwithstanding any other provision in these rules, the court may authorize the clerk of the court to sign and enter a judgment against the defendant upon, (1) the entry of an admission to an infraction in person or by mail under Rule 6(a) or, (2) the payment of the total amount due, which includes fixed penalty and costs, by the defendant, or(3) a failure of the defendant to appear in court or before the clerk as provided in Rule 8.
Id. Infra. R. 9.1