S.D. Codified Laws § 2-1-3.1
The petition as it is to be circulated for a referred law must be filed with the secretary of state prior to circulation for signatures and must:
The petition must be filed with the secretary of state within ninety days after the adjournment of the Legislature that passed the referred law. A sworn affidavit, signed by at least two-thirds of the petition sponsors, stating that the documents filed constitute the entire petition and to the best of the knowledge of the sponsors contains a sufficient number of signatures, must also be filed with the secretary of state. The State Board of Elections shall prescribe the form of the petition and affidavit.
The petition circulator shall provide to each person who signs the petition a circulator handout containing the title of the referred law; any fiscal note or summary of a fiscal note obtained pursuant to § 2-9-32; the name, phone number, and email address of each petition sponsor; a statement whether the petition circulator is a volunteer or paid circulator and, if a paid circulator, the amount the circulator is being paid. The secretary of state shall approve the circulator handout for each referred law before the petition is circulated.
SDCL 2-1-3.1