South Dakota Codified Laws
Chapter 28A - Hazardous Material Transportation Safety
Section 49-28A-3.1 - Qualified intrastate drivers under age twenty-one.

49-28A-3.1. Qualified intrastate drivers under age twenty-one.
Notwithstanding the provisions of §49-28A-3, any person under the age of twenty-one but over the age of eighteen may become a qualified intrastate driver if the person is certified as a private applicator pursuant to §38-21-23.

Source: SL 1988, ch 374; SL 2009, ch 238, §1.