(a) Any motion or application for a continuance of a jury or court trial shall, except for good cause shown, shall be made at least five (5) days before the trial and shall be accompanied by a statement of grounds in support thereof. If one of the grounds stated is the absence of a material witness, the movant shall file an affidavit stating with particularity the testimony to which the movant believes the witness would testify if present.

(b) If the defendant in a criminal case moves for a continuance, he/she shall file with the motion a sworn statement to the effect that he/she understands the nature of the motion and grounds therefor.