That section reads:
"Every person permitted by Section 23-31-320 to possess a machine gun or sawed-off shotgun or sawed-off rifle, and any person elected or appointed to any office or position which entitles the person to possess a machine gun or sawed-off shotgun or sawed-off rifle, upon taking office, shall file with the State Law Enforcement Division on a blank to be supplied by the division on request an application which is properly sworn. "
Section 23-31-320 applies to "Any peace officer of the State or of any county or other political subdivision thereof, state constable, member of the highway patrol, railway policeman or warden, superintendent, head keeper or deputy of any state prison, penitentiary, workhouse, county jail, city jail, or other institution for the detention of persons convicted or accused of crime or held as witnesses in criminal cases or person on duty in the postal service of the United States"
This does not apply to individuals.