8 GCA § 65.10: Pleadings Allowed.

Pleadings in criminal proceedings shall be the indictment, information or complaint, and the pleas of not guilty, not guilty by reason of mental illness, disease or defect, guilty and nolo contendere. All other pleas and demurrers and motions to quash are abolished, and defenses and objections raised before trial which heretofore could have been raised by one (1) or more of them shall be raised only by motion to dismiss or to grant appropriate relief, as provided in this Code.