South Dakota Codified Laws
Chapter 25 - Livestock Registry Associations
Section 40-25-5 - Term of existence of association--Extension of term.

40-25-5. Term of existence of association--Extension of term.
A purebred livestock registry association may be formed for a term not exceeding fifty years and such term may be extended for like periods of fifty years so long as the members and directors thereof may comply with the Constitution and laws of the State of South Dakota relative to such associations.

Source: SDC 1939, ยง40.1601.