SDCL § 9-20-2: Petition proposing ordinance or resolution--Contents.

A petition to propose an ordinance or resolution shall be filed with the finance officer, containing in proper form the proposed ordinance or resolution. It shall be signed by the required number of the resident registered voters of the municipality. The signer or circulator shall add the signer's residence address, county of voter registration, and date of signing. The signer's post office box number may be given in lieu of a street address if the signer lives within a municipality of the second or third class. No signature on a petition is valid if signed more than six months prior to the filing of the petitions.