An investigative or law enforcement officer may apply for an order or an extension of an order under § 23A-35A-27 , authorizing or approving the installation and use of a pen register or a trap and trace device under §§ 23A-35A-1 and 23A-35A-22 to 23A-35A-34 , inclusive, in writing under oath or equivalent affirmation, to a judge of competent jurisdiction. Source: SL 1988, ch 194 , § 4.