SDCL § 47-1A-602: Classification or reclassification of unissued shares determined by board of directors.

If the articles of incorporation so provide, the board of directors, without shareholder approval, may:

(1) Classify any unissued shares into one or more classes or into one or more series within a class;

(2) Reclassify any unissued shares of any class into one or more classes or into one or more series within one or more classes; or

(3) Reclassify any unissued shares of any series of any class into one or more classes or into one or more series within a class.