Rule 4.1 - Responsive Pleadings and Motions(a) No written responsive pleadings are required. Jurisdictional matters of age and residence of the child which shall be deemed admitted unless specifically denied. (b) Any defense or objection which is capable of determination without trial of the general issues may be raised by motion. (c) Defenses and objections based on defects in the institution of the action or in the petition, other than it fails to show jurisdiction in the court, shall be raised only by motion filed prior to the entry of an admission or denial of the allegations of the petition. Failure to present any such defense or objection constitutes a waiver, but the court for good cause shown may grant relief from the waiver. Lack of jurisdiction shall be noticed by the court at any time during the proceeding. (d) All motions shall be in writing and signed by the moving party or counsel, except those made orally by leave of court. Entire chapter repealed and reenacted June 16, 1988, effective 1/1/1989. ANNOTATION Annotator's note. For cases decided under former rule 8 on responsive pleadings and motions, see the annotations under rule 3.2.