In any criminal case brought pursuant to the provisions of § 32-24-3 wherein the information alleges, in addition to the principal offense charged, a former conviction or convictions, such information shall be in two separate parts, each signed by the prosecutor. In the first part of the information the particular offense with which the accused is charged shall be set out, and in the other part the former conviction or convictions shall be alleged.
SDCL 32-24-4