Rule 10. Depositions

(a) Refusal Cases. In cases where the defendant has been charged with refusal to submit to a chemical test, the procedure for the taking of depositions set forth in Rules 29 and 30 of the District Court Civil Rules shall apply. All expenses shall be borne by the party noticing and taking the deposition unless upon motion, good cause is shown.

(b) All Other Cases. The court at any time after the filing of the summons may upon motion of a party and good cause shown order that a witness's testimony be taken by deposition. In such cases, the procedure for the taking of depositions as set forth in Rules 29 and 30 of the District Court Civil Rules shall apply with all expenses borne by the moving party.

(c) Filing. Depositions shall not be filed with the court until they are used in the proceeding or the court orders their filing.