A mother may breastfeed her child in any location, public or private, where the mother and child are otherwise authorized to be present as long as the mother is in compliance with all other state and municipal laws. However, no municipality may outright ban breast feeding in public places.
S.D. Codified Laws § 25-5-35
Breastfeeding permitted in certain locations
Source: SL 2015, ch 145, § 1.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.