All exhibits or other record evidence offered at the trial of a cause shall be marked for identification by the shorthand reporter or clerk and shall be filed as records in said cause. The trial judge may order a copy of any exhibit or of the material parts thereof filed in place of the original or may direct that the material parts thereof be read into the record upon the trial and when the exhibit is of such nature that it cannot be filed or the contents thereof read into the record, a description thereof shall be read into the record upon the trial.
SDCL 15-15-3