At the request of the plaintiff in an action under § 20–108 of this subtitle, the action shall be tried as soon as the action is at issue and shall take precedence over all other civil cases. In an action under § 20–108 of this subtitle, a certificate of the tax collector that shows the amount of tax, penalty, and interest due: is prima facie evidence of the amount of tax, penalty, and interest; and imposes on the defendant the burden of proving that the tax, penalty, and interest have been paid or any other defense.