SDCL § 37-1-6: Price differential to meet competition in buying permitted.

Notwithstanding § 37-1-5, any person or corporation buying commodities described therein in more than one section, community, locality, or first or second class municipality, may raise prices in any given section, community, locality, or municipality to but not above the prices paid by other persons or corporations buying such commodities in such section, community, locality, or municipality, when necessary to meet actual legitimate competition in such section, community, locality, or municipality, without being held to have violated the provisions of this chapter.